in|struct [ınˈstrʌkt] v [T]
[Date: 1400-1500; : Latin; Origin: , past participle of instruere, from struere 'to build']
1.) to officially tell someone what to do
→↑order instruct sb to do sth
His secretary was instructed to cancel all his engagements.
instruct (sb) that
The judge immediately instructed that Beattie be released.
Eva went straight to the hotel, as instructed (=as she had been told) .
instruct sb what to do
He had instructed the slaves what to say when questioned.
2.) formal to teach someone something, or show them how to do something
instruct sb in sth
Greater effort is needed to instruct children in road safety.
instruct sb how to do sth
Employees are instructed how to make a complaint.
3.) [usually passive] BrE formal to officially tell someone about something
instruct sb that
I was instructed that £20,000 had been paid into my account.
4.) BrE law to employ a lawyer to represent you in court

Dictionary of contemporary English. 2013.