/ Dictionary / Index S systemize: Meaning and Definition of Find definitions for: sys•tem•ize Pronunciation: (sis'tu-mīz"), [key] — -ized, -iz•ing. systematize. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: systemize (Thesaurus) systemic lupus erythematosus system program Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language