put someone wise
put (one) wise
slang To tell one something that one does not know; to inform someone about something of which they are ignorant. We need to put those freshmen wise—they can't keep coming into the senior hallway! Everyone thought that Jen had dumped me, but I was quick to put them wise!
put someone wisegive someone important information. informal
1950 Graham Greene The Third Man He was a year older and knew the ropes. He put me wise to a lot of things.