Etymology
Advertisement

au fait (adj.)

1743, French, "to the point, to the matter under discussion," literally "to the fact," from au "to the" (see au) + fait "fact" (see feat). Used in French with sense of "acquainted with the facts, expert, fully skilled."

Others are reading

Advertisement
Advertisement
Definitions of au fait

au fait (adj.)
being up to particular standard or level especially in being up to date in knowledge;
always au fait on the latest events
Synonyms: abreast / au courant / up on
From wordnet.princeton.edu