Make or become aware, informed or sophisticated, as in It's time someone wised you up to Mary; she's an incorrigible flirt, or As soon as Tony wised up to what the company was doing, he quit.

What does Wisened mean?

: to become dry, shrunken, and wrinkled often as a result of aging or of failing vitality. transitive verb. : to cause to wizen a face wizened by age.

What does wise up mean in the UK?

/waɪz/ uk. /waɪz/ mainly US informal. to start to understand a situation or fact and believe what you hear about it, even if it is difficult or unpleasant: Those who think this is a harmless recreational drug should wise up.