/ Dictionary / Index S syllogistic: Meaning and Definition of Find definitions for: syl•lo•gis•tic Pronunciation: (sil"u-jis'tik), [key] — adj. of or pertaining to a syllogism. like or consisting of syllogisms. —n. the part of logic that deals with syllogisms. syllogistic reasoning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: syllogistic (Thesaurus) syllogist syllogize Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language