1. Being up to particular standard or level especially in being up to date in knowledge
   "always au fait on the latest events"
   - abreast, au courant, up on, apace [N. Amer]

See also: informed

Encyclopedia: Au fait

• polite
• politely
• politeness
• politesse
• politic
• political
• political action committee
• political arena
• political asylum
• political boss
• political campaign
• political commissar
• political contribution
• political correctitude
• political correctness
• political detainee
• political dissident
• political donation
• political economy
• political entity
• political hack
• political incorrectness
• political leader
• political liberty
• political machine