/ Dictionary / Index S systematism: Meaning and Definition of Find definitions for: sys•tem•a•tism Pronunciation: (sis'tu-mu-tiz"um), [key] — n. the practice of systematizing. adherence to system or method. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: systematism (Thesaurus) systematics systematist Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language