/ Dictionary / Index A au fait*: Meaning and Definition of Find definitions for: au fait Pronunciation: (ō fe'), [key] — French. French. having experience or practical knowledge of a thing; expert; versed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Auerbach Aufklärung* Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language