/ Dictionary / Index A approbation: Meaning and Definition of Find definitions for: ap•pro•ba•tion Pronunciation: (ap"ru-bā'shun), [key] — n. approval; commendation. official approval or sanction. conclusive proof. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: approbation (Thesaurus) approbate approbative Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language