- Abracadabra
- A word-charm first recorded by Serenus Sammonicus in the third century, written in a diminishing triangle against fever. Etymology unknown. → Amulets and Talismans
- Adept
- One who has attained the higher grades of an esoteric discipline; in alchemy, one who has made the stone.
- Aeon
- In Gnosticism an emanation of the divine; in Thelema an age of two thousand years, the present being the Aeon of Horus begun in 1904. → Ritual Magic
- Agathodaimon
- The good spirit of Greco-Egyptian religion, credited as an authority in early alchemy and figured as a serpent. → Alchemy
- Akashic records
- A Theosophical notion, popularised by Rudolf Steiner and Edgar Cayce, of a record of all events impressed on the akasha or ether. → The Orders
- Alchemy
- The art of transmuting metals and perfecting matter and soul, from Hellenistic Egypt to the eighteenth century. → Alchemy
- Amulet
- A protective object worn or kept against harm, working passively by what it is or depicts. Contrast talisman. → Amulets and Talismans
- Anima mundi
- The world-soul of Plato's Timaeus and the Neoplatonists, animating the cosmos as the soul animates the body. → What the Occult Is
- Ankh
- The Egyptian hieroglyph and amulet of life, held by the gods; adopted by the Coptic church as the crux ansata. → Amulets and Talismans
- Apotropaic
- Turning away evil: said of any object, gesture or image meant to repel harm. → Amulets and Talismans
- Arcana
- Secrets. In tarot, the twenty-two trumps are the major arcana and the fifty-six suit cards the minor, terms coined in the nineteenth century. → The Tarot
- Ars Notoria
- The Notory Art: a thirteenth-century Solomonic text of prayers and figures for the instant acquisition of learning. → Ritual Magic
- Ascendant
- The degree of the zodiac rising on the eastern horizon at the moment of birth; the pivot of the horoscope. → Astrology
- Aspect
- An angular relationship between planets in a chart: conjunction, sextile, square, trine and opposition in the Ptolemaic scheme. → Astrology
- Astral light
- Éliphas Lévi's universal medium of imagination and will, which the adept learns to direct. → Ritual Magic
- Astral plane
- In Theosophy and later occultism, a realm of subtle matter between the physical and mental planes, visited in dreams and projection. → The Orders
- Athame
- The black-handled ritual knife of modern Wicca, derived from the knife of the Key of Solomon. → Witchcraft
- Augury
- Roman divination by the flight and behaviour of birds, performed by the college of augurs before public business. → Divination
- Automatic writing
- Writing produced without conscious direction, by hand, planchette or keyboard; attributed to spirits, the subconscious, or both. → Spirit Communication
- Azoth
- An alchemical name for the universal medicine or for mercury as the first matter, composed of the first and last letters of several alphabets. → Alchemy
- Baphomet
- An idol the Templars were accused of worshipping in 1307; given its winged goat-headed form by Éliphas Lévi in 1856. → Ritual Magic
- Bibliomancy
- Divination by opening a book, usually a sacred or classic one, at random. → Divination
- Book of Shadows
- The handwritten book of rituals of a Wiccan coven, first compiled by Gerald Gardner and revised by Doreen Valiente. → Witchcraft
- Cabala
- The Christian adaptation of Jewish Kabbalah begun by Pico della Mirandola in 1486. → Kabbalah
- Cartomancy
- Divination by playing cards, including but not limited to tarot. → The Tarot
- Chakra
- In Indian yoga a wheel or centre of subtle energy in the body; systematised for the West by Theosophy and by Arthur Avalon's The Serpent Power of 1919. → The Orders
- Chaos magic
- A late twentieth-century current treating belief as a tool; formalised by Peter Carroll's Liber Null of 1978. → Ritual Magic
- Chiromancy
- Palmistry: divination by the lines and mounts of the hand. → Divination
- Circle
- The protective boundary drawn by the operator of ceremonial magic, inscribed with divine names. → Ritual Magic
- Clairvoyance
- Clear seeing: perception of distant or hidden objects or events without the ordinary senses. → Psychical Research
- Cleromancy
- Divination by casting lots. → Divination
- Cold reading
- Techniques by which a reader produces apparently specific information from general statements and the sitter's reactions. → The Mediums
- Control
- In mediumship, the spirit or secondary personality that speaks through an entranced medium and manages communication. → The Mediums
- Correspondences
- The doctrine that all levels of reality are linked by real likenesses: planets to metals, signs to organs, letters to numbers. → What the Occult Is
- Coven
- A group of witches; given the canonical number thirteen by Margaret Murray in 1921. → Witchcraft
- Cross-correspondences
- Fragmentary scripts produced by several automatists after 1901, which fitted together and were attributed to the dead founders of the SPR. → Psychical Research
- Cryptomnesia
- Hidden memory: the reproduction of forgotten material as though it were new, a standard explanation of mediumistic information. → The Mediums
- Cunning folk
- Popular magical practitioners of early modern Britain who found lost goods, healed and countered witches. → Witchcraft
- Daemon
- In Greek thought an intermediate spirit between gods and humans, not necessarily evil; Socrates had one. → Ritual Magic
- Decan
- One of thirty-six divisions of the zodiac of ten degrees each, derived from Egyptian star-clocks and given images in astral magic. → Astrology
- Demiurge
- The craftsman who shapes the world in Plato's Timaeus; in Gnosticism an ignorant or malevolent lesser god. → Hermeticism
- Divination
- The attempt to obtain knowledge of the unknown or the future by supernatural or non-rational means. → Divination
- Dowsing
- Searching for water, minerals or objects with a rod or pendulum; explained since Chevreul by the ideomotor effect. → Divination
- Ectoplasm
- A substance said to be exuded by physical mediums to form materialisations; term coined by Charles Richet. → The Mediums
- Egregore
- A collective psychic entity said to form around a group or order and to act on its members. → The Orders
- Elementals
- Spirits of the four elements: gnomes of earth, undines of water, sylphs of air and salamanders of fire, in Paracelsus's scheme. → Alchemy
- Elixir
- The alchemical medicine of life, identical with or derived from the philosophers' stone. → Alchemy
- Emerald Tablet
- A short Hermetic text first known in Arabic c. 800–950, the source of 'as above, so below'. → Hermeticism
- Enochian
- The angelic language and magical system received by John Dee through Edward Kelley in 1582–87. → Ritual Magic
- Esbat
- A regular Wiccan meeting, usually at the full moon, as distinct from the eight festival sabbats. → Witchcraft
- Esotericism
- Knowledge reserved for the initiated; in modern scholarship the field of 'rejected knowledge' of the West. → What the Occult Is
- ESP
- Extra-sensory perception: J. B. Rhine's term of 1934 for telepathy, clairvoyance and precognition. → Psychical Research
- Evil eye
- The belief that envy conveyed by a glance causes harm; guarded against by eye-amulets, the hamsa and the fascinus. → Amulets and Talismans
- Evocation
- Calling a spirit to appear outside the operator, typically into a triangle. Contrast invocation. → Ritual Magic
- Extispicy
- Divination by the entrails of sacrificed animals. → Divination
- Familiar
- A spirit, often in animal form, said to serve a witch or magician. → Witchcraft
- Fascinus
- The Roman phallic amulet against the evil eye; source of 'fascinate'. → Amulets and Talismans
- Fuji
- Chinese spirit-writing with a suspended stylus in sand, practised since at least the Song dynasty. → Spirit Communication
- Futhark
- The runic alphabet, named from its first six letters; the elder futhark has twenty-four. → Divination
- Ganzfeld
- A uniform sensory field, and the parapsychological experiment built on it. → Psychical Research
- Gematria
- Interpretation of words by the numerical values of their letters. → Kabbalah
- Geomancy
- Divination by sixteen figures generated from random marks; Arabic ʿilm al-raml. → Divination
- Glossolalia
- Speaking in tongues: fluent speech-like sound without the structure of a known language. → Spirit Communication
- Gnosis
- Saving knowledge of the divine, gained by revelation or experience rather than instruction. → Hermeticism
- Goetia
- From Greek goēteia, sorcery; the first book of the Lesser Key of Solomon, cataloguing seventy-two spirits. → Ritual Magic
- Golden Dawn
- The Hermetic Order of the Golden Dawn, founded in London in 1888; the great synthesis of modern Western magic. → The Orders
- Golem
- A figure of clay animated by divine names in Jewish legend, associated with the Sefer Yetzirah. → Kabbalah
- Grimoire
- A book of magic, from French grammaire. → Ritual Magic
- Hamsa
- The open hand amulet of the Middle East and North Africa, the hand of Fatima or of Miriam. → Amulets and Talismans
- Haruspex
- A Roman or Etruscan diviner who read the entrails, especially the liver, of sacrificed animals. → Divination
- Hepatoscopy
- Divination by the liver of a sacrificed sheep; the Liver of Piacenza is its best-known object. → Divination
- Hermetic
- Pertaining to the writings attributed to Hermes Trismegistus; hence 'hermetically sealed', after the alchemists' sealed vessel. → Hermeticism
- Hexagram
- In the I Ching, a figure of six broken or unbroken lines; in magic, the six-pointed star of two triangles. → Divination
- Hierophant
- Revealer of sacred things; the priest of the Eleusinian mysteries; the fifth tarot trump in English decks. → The Tarot
- Homunculus
- An artificial little man said by Paracelsus's circle to be generable by alchemy. → Alchemy
- Horary astrology
- Astrology that answers a question by a chart cast for the moment it is asked. → Astrology
- I Ching
- The Book of Changes, a Chinese divination classic of sixty-four hexagrams, core compiled c. ninth century BC. → Divination
- Ideomotor effect
- Involuntary muscular movement produced by expectation; named by W. B. Carpenter in 1852; explains pendulum, board and table. → Spirit Communication
- Illuminati
- The Bavarian secret society of 1776–85, and the conspiracy legend that outlived it. → The Orders
- Initiation
- Ritual admission to a grade or mystery, usually through symbolic death and rebirth. → The Orders
- Invocation
- Calling a power into oneself or into the circle. Contrast evocation. → Ritual Magic
- Kabbalah
- Jewish mystical theology from the twelfth century, centred on the sefirot; see also Cabala and Qabalah. → Kabbalah
- Kamea
- A magic square, especially one of Agrippa's seven planetary squares. → Amulets and Talismans
- Kybalion
- A 1908 New Thought book presenting seven invented 'Hermetic principles'; not an ancient text. → Hermeticism
- Lapidary
- A treatise on the properties, often the occult virtues, of stones. → Stones and Materia
- Left-hand path
- From Tantric vamachara; in Western occultism a path of self-deification or antinomian practice, contrasted with the right-hand path. → Ritual Magic
- Lesser Banishing Ritual of the Pentagram
- The foundational daily ritual of the Golden Dawn, tracing pentagrams to the four quarters with divine names. → Ritual Magic
- Lot
- A marked object drawn or cast to decide a question; the instrument of cleromancy. → Divination
- Magic square
- A grid whose rows, columns and diagonals sum to the same number. → Amulets and Talismans
- Magnum opus
- The Great Work of alchemy: the making of the philosophers' stone. → Alchemy
- Magus
- A wise man of the Persian priestly caste; by extension the learned magician of the Renaissance. → Ritual Magic
- Maleficium
- Harmful magic, the core of the legal crime of witchcraft. → Witchcraft
- Malleus Maleficarum
- The Hammer of Witches, Heinrich Kramer's treatise of 1486–87. → Witchcraft
- Materialisation
- The alleged appearance in physical form of a spirit or body part at a séance. → The Mediums
- Medium
- A person through whom spirits of the dead are said to communicate. → The Mediums
- Mesmerism
- Franz Anton Mesmer's therapy of animal magnetism, investigated by a French royal commission in 1784. → Spirit Communication
- Mezuzah
- A parchment of the Shema in a case fixed to a Jewish doorpost, in obedience to Deuteronomy 6:9. → Amulets and Talismans
- Microcosm
- The little world: the human being as a miniature image of the macrocosm. → What the Occult Is
- Monad
- The One; in Dee's Monas Hieroglyphica a single glyph compounded of the planets and elements. → Ritual Magic
- Necromancy
- Divination by the dead; in the Middle Ages extended to demonic magic generally, as nigromancy. → Spirit Communication
- Nekyia
- The rite of calling up the dead, after Odyssey 11. → Spirit Communication
- Nigredo
- The black stage of the alchemical work: putrefaction. → Alchemy
- Notarikon
- Kabbalistic interpretation of words as acronyms, or forming words from initial letters. → Kabbalah
- Numerology
- The attribution of meaning to numbers derived from names and dates; a modern popular derivative of gematria and Pythagorean number mysticism. → Kabbalah
- Occult
- Hidden; originally a property whose cause is not perceived; since the nineteenth century a body of rejected esoteric knowledge. → What the Occult Is
- Od
- A vital force proposed by Baron von Reichenbach in the 1840s, perceived by sensitives in the dark. → Psychical Research
- Oneiromancy
- Divination by dreams. → Divination
- Oracle
- A shrine where a god answers questions through a priest or priestess, and the answer so given. → Divination
- Ouija
- The talking board patented by Elijah Bond for the Kennard Novelty Company in 1891; a registered trademark. → Spirit Communication
- Ouroboros
- The serpent eating its own tail, symbol of eternity and of the one; first in the Chrysopoeia of Cleopatra. → Alchemy
- Pentacle
- A talismanic disc or figure, especially the forty-four pentacles of the Key of Solomon; in Wicca a disc bearing a pentagram. → Amulets and Talismans
- Pentagram
- The five-pointed star, symbol of the microcosm and of protection; inverted, associated in the nineteenth century with evil. → Ritual Magic
- Philosophers' stone
- The goal of alchemy: a substance that transmutes base metal to gold and heals all disease. → Alchemy
- Picatrix
- The Ghayat al-Hakim, the Arabic encyclopedia of astral magic, translated for Alfonso X in 1256. → Ritual Magic
- Planchette
- A small board on castors or feet with a pencil or pointer, moved by the hands to write or spell; French, 1853. → Spirit Communication
- Planetary hours
- The division of day and night into twelve unequal hours each, ruled by the planets in Chaldean order. → Astrology
- Poltergeist
- Noisy spirit: disturbances of thrown objects and noises, often centred on an adolescent. → Psychical Research
- Possession
- The displacement of a person's own agency by another spirit or personality. → Spirit Communication
- Precognition
- Knowledge of future events not inferable from present information. → Psychical Research
- Prisca theologia
- The ancient theology descending from Hermes through Orpheus and Pythagoras to Plato, in Ficino's account. → Hermeticism
- Psychokinesis
- The direct influence of mind on matter; abbreviated PK. → Psychical Research
- Psychometry
- Reading the history of an object by touching it; term coined by J. R. Buchanan in 1842. → Psychical Research
- Pythia
- The priestess of Apollo at Delphi. → Divination
- Qabalah
- The Hermetic and magical Kabbalah of the Golden Dawn and its successors. → Kabbalah
- Querent
- The person who asks the question in a divination. → The Tarot
- Quintessence
- The fifth essence, the celestial aether beyond the four elements; in alchemy, the purest extract of a substance. → Alchemy
- Rebis
- The double thing: the hermaphroditic product of the alchemical union of opposites. → Alchemy
- Remote viewing
- The perception of distant targets under controlled conditions; studied at SRI and in Project Stargate. → Psychical Research
- Rosicrucian
- Pertaining to the fraternity of Christian Rosenkreutz announced in the manifestos of 1614–16. → The Orders
- Rubedo
- The red stage of the alchemical work, in which the stone is perfected. → Alchemy
- Runes
- The letters of the Germanic futhark; in modern practice also a divinatory set. → Divination
- Sabbat
- The nocturnal assembly of witches in early modern demonology; in Wicca one of eight seasonal festivals. → Witchcraft
- SATOR square
- The palindromic word square SATOR AREPO TENET OPERA ROTAS, attested at Pompeii before AD 79. → Amulets and Talismans
- Scrying
- Gazing into a crystal, mirror, water or other surface to obtain visions. → Divination
- Seal
- A figure or signature identifying and binding a spirit, drawn in the Goetia and Key of Solomon. → Ritual Magic
- Sefer Yetzirah
- The Book of Formation, third to sixth century: creation by ten sefirot and twenty-two letters. → Kabbalah
- Sefirot
- The ten emanations or attributes of God on the Kabbalistic Tree of Life. → Kabbalah
- Shekhinah
- The indwelling divine presence; in Kabbalah the feminine tenth sefirah, Malkhut. → Kabbalah
- Sigil
- A symbol created for a magical purpose: from a magic square in Agrippa, from the letters of a statement of intent in Spare. → Ritual Magic
- Sortes
- Divination by random selection from a text: sortes Vergilianae, sortes Biblicae. → Divination
- Spiritism
- Allan Kardec's doctrine of spirit communication and reincarnation, from The Spirits' Book of 1857. → Spirit Communication
- Spiritoscope
- Robert Hare's name for his dial instruments of 1855, built to take the medium's hands off the letters. → Psychical Research
- Spiritualism
- The religious movement founded on communication with the dead, begun at Hydesville in 1848. → Spirit Communication
- Sympathetic magic
- Frazer's term for magic by similarity and contagion. → Ritual Magic
- Synchronicity
- Jung's term for a meaningful coincidence connected by meaning rather than cause. → The Tarot
- Séance
- A sitting held to communicate with the dead through a medium. → Spirit Communication
- Talisman
- An object made and consecrated at a prescribed time to attract a power. Contrast amulet. → Amulets and Talismans
- Talking board
- The generic name for a lettered board with a pointer, including the Ouija. → Spirit Communication
- Tarot
- A deck of seventy-eight cards with twenty-two trumps, originating in Italy in the 1440s as a card game. → The Tarot
- Tefillin
- Phylacteries: leather boxes containing scriptural texts, bound on the arm and head in Jewish prayer. → Amulets and Talismans
- Telepathy
- The communication of impressions from one mind to another without the known senses; coined by Myers, 1882. → Psychical Research
- Temurah
- Kabbalistic permutation of letters by systematic substitution, such as the atbash cipher. → Kabbalah
- Tetragrammaton
- The four-letter name of God, YHVH. → Kabbalah
- Thelema
- Aleister Crowley's religious philosophy, from Greek for will, founded on The Book of the Law of 1904. → Ritual Magic
- Theosophy
- Divine wisdom; the teaching of the Theosophical Society founded in 1875. → The Orders
- Theurgy
- God-working: the ritual practice of late Neoplatonists such as Iamblichus to unite the soul with the divine. → Ritual Magic
- Tikkun
- Repair: in Lurianic Kabbalah the restoration of the shattered world by human action. → Kabbalah
- Tree of Life
- The diagram of ten sefirot and twenty-two paths. → Kabbalah
- Tria prima
- Paracelsus's three principles: salt, sulphur and mercury. → Alchemy
- Triangle of Art
- The figure outside the magician's circle into which an evoked spirit is constrained. → Ritual Magic
- Trigram
- A figure of three broken or unbroken lines; two form an I Ching hexagram. → Divination
- Triquetra
- A three-cornered interlaced knot, found in insular Christian and Norse art.
- Tulpa
- A thought-form made real by concentration; a twentieth-century Western notion popularised by Alexandra David-Néel, loosely from Tibetan sprul pa. → Ritual Magic
- Tzimtzum
- In Lurianic Kabbalah the contraction of the Infinite to make room for creation. → Kabbalah
- Voces magicae
- The unintelligible 'magical words' of the Greek papyri and later grimoires. → Ritual Magic
- Wand
- The instrument of the operator's will in ceremonial magic; the suit of batons in tarot. → Ritual Magic
- Wedjat
- The eye of Horus, the most common Egyptian amulet. → Amulets and Talismans
- Wicca
- The modern witchcraft religion made public by Gerald Gardner in 1954. → Witchcraft
- Witch bottle
- A counter-magical jar of urine, pins and nails buried under English hearths in the seventeenth century. → Amulets and Talismans
- Xenoglossy
- Speaking a real foreign language one has never learned; claimed but not convincingly documented. → Spirit Communication
- Zener cards
- The five-symbol cards of Rhine's ESP experiments: circle, cross, waves, square, star. → Psychical Research
- Zodiac
- The band of twelve signs of thirty degrees along the ecliptic, first attested in Babylon c. fifth century BC. → Astrology
- Zohar
- The Book of Splendour, the central text of Kabbalah, written in Castile in the 1280s. → Kabbalah
The Apparatus
The Lexicon
173 terms of the occult tradition, defined, dated where a date is known, and sent back to the chapter that tells their story.
The Reading RoomWrite to the Librarian
Corrections, questions, a source I have missed, or a commission for one of the houses. I read everything and answer most of it.