/ Dictionary / Index E effectuate: Meaning and Definition of Find definitions for: ef•fec•tu•ate Pronunciation: (i-fek'ch-āt"), [key] — -at•ed, -at•ing. to bring about; effect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: effectuate (Thesaurus) effectual effeminacy Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language