Letters that make au fait
a, f, t, i, u are letters that make 'au fait'
1 possible definitions for 'au fait'
Under this definition, au fait is an adjective and has the following properties:
abreast(p), au courant, up on(p) have the same meaning as 'au fait'
informed is similar to au fait.
"kept abreast of the latest developments", "constant revision keeps the book au courant", "always au fait on the latest events", "up on the news"