/ Dictionary / Index C causationism: Meaning and Definition of Find definitions for: cau•sa•tion•ism Pronunciation: (kô-zā'shu-niz"um), [key] — n. the doctrine or theory that every event is the result of a prior and adequate cause. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. causation causative Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language