/ Dictionary / Index V validate: Meaning and Definition of Find definitions for: val•i•date Pronunciation: (val'i-dāt"), [key] — -dat•ed, -dat•ing. to make valid; substantiate; confirm: Time validated our suspicions. to give legal force to; legalize. to give official sanction, confirmation, or approval to, as elected officials, election procedures, documents, etc.: to validate a passport. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: validate (Thesaurus) valid validity Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language