Related Clues:

• Mouths (off)
• ___ up (gets smart)
• Smartens (up)
• Figures it out, with "up"
• Becomes hip, with 'up'
• -- up (gets smart)
• Catches on, with "up"
• Gets smart (with "up")
• Gets a clue, with 'up'
• ___ up (catches on)
• Smartens ''up''
• ___ up (becomes aware)
• ___ up (gets savvy)
• — up (gets smart)
• __ off: gets smart