Gnosis definition

nōsĭs

Knowledge of spiritual things, esp. a secret and superior knowledge limited to an elite few, such as the Gnostics claimed to have.

noun

Knowledge, recognition.

Diagnosis.

affix

Intuitive apprehension of spiritual truths, an esoteric form of knowledge sought by the Gnostics.

noun

(Gnosticism) An immanent form of knowledge or transcendent insight, such as sought by the Gnostics.

noun

Act or process of knowing.

noun

(occult) An altered state of awareness in which the will is magically effective.

noun

Other Word Forms

Singular:

gnosis

Plural:

gnoses

< Gr gnōsis: see gnosis

From Webster's New World College Dictionary, 5th Edition
Greek gnōsis knowledge from gignōskein gnō- to know gnō- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Ancient Greek γνῶσις (gnō̃sis, “knowledge”).

From Wiktionary