# au fait

> English word · Adjective · IPA /ˌəʊˈfeɪ/

## Definitions
1. Being familiar with or informed about something.

## Etymology
Borrowed from French au fait (literally “at the fact”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/au-fait