adjective(au fait with)
- Having a good or detailed knowledge of something: you should be reasonably au fait with the company and its productsMore example sentences
- Engineers in all sectors of industry must be completely au fait with the state of the art.
- For those of you not quite au fait with Surrealist parlour games, the term ‘exquisite corpse’ originates from the game more commonly known as Consequences.
mid 18th century: from French, literally 'to the fact, to the point'.