/ Dictionary / Index O occultism: Meaning and Definition of Find definitions for: oc•cult•ism Pronunciation: (u-kul'tiz-um), [key] — n. belief in the existence of secret, mysterious, or supernatural agencies. the study or practice of occult arts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: occultism (Thesaurus) occulting light occupancy Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language