wiser

adjective wiser, wisest

1. having or showing good judgment; sagacious; prudent
2. prompted by wisdom; judicious; sound: a wise saying, wise action
3. having information; informed: none the wiser
4. learned; erudite
5. shrewd; crafty; cunning
6. Now Dial. having knowledge of black magic, etc.
7. ☆ Slang
   1. annoyingly self-assured, knowing, conceited, etc.
   2. impudent; fresh