to furnish with knowledge, esp. by a systematic method; teach; train; educate.

to furnish with orders or directions; direct; order; command

The doctor instructed me to diet.

to furnish with information; inform; apprise.

Law . (of a judge) to guide (a jury) by outlining the legal principles involved in the case under consideration.

verb

learn , ask

verb

acquaint , advise , apprise , brainwash * , break in , break it to , brief , clue in , coach , counsel , discipline , disclose , drill , drum into * , educate , engineer , enlighten , give lessons , ground , guide , keep posted , lead , lecture , level , notify , pilot , reveal , school , steer , tell , train , tutor , update , wise up , assign , bid , charge , define , direct , enjoin , prescribe , warn , teach , order , command , edify , indoctrinate , inform , show