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

• stockist
• stockjobber
• stockman
• stockpile
• stockpiling
• stockpot
• stockroom
• stocks
• stocktake
• stocktaker
• stocktaking
• Stockton
• stocky
• stockyard
• stodge
• stodgily
• stodginess
• stodgy
• stoep
• stogie
• stogy
• stoic
• stoical
• stoically
• stoichiometric