/ Dictionary / Index I integrationist: Meaning and Definition of Find definitions for: in•te•gra•tion•ist Pronunciation: (in"ti-grā'shu-nist), [key] — n. a person who believes in, supports, or works for social integration. —adj. pertaining to, favoring, or being conducive to social integration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. integration by parts integrator Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language