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au fait(o fɛ; English əʊ ˈfeɪ)
fully informed; in touch or expert
[C18: literally: to the point]
au fait(oʊ ˈfɛ)
[literally, to the fact]
A French phrase meaning to the point, used to mean up to date or fully informed.
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|Adj.||1.||au fait - being up to particular standard or level especially in being up to date in knowledge; "kept abreast of the latest developments"; "constant revision keeps the book au courant"; "always au fait on the latest events"; "up on the news"|
informed - having much knowledge or education; "an informed public"; "informed opinion"; "the informed customer"
au fait with fully informed about, in touch with, familiar with, abreast of, knowledgeable about, well-acquainted with, well up on, up to speed with, in the know about, on the ball about (informal), conversant about, au courant with, clued-up about (informal), switched-on about (informal) I am au fait with fashion.