wise

adjective1 of 2

knowledgeable about life; having good judgment

• “Whoever shuts up when he notices he's wrong is wise.”Tatoeba
• “It would be wise for you to do that today.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

Usually with "up", to inform or learn.