Related Clues:

• Stamp or riot word
• '___ your age!'
• Misbehave (with "up")
• Clean Air, e.g.
• Cleanup target?
• Play one's part
• House work
• Act in opposition
• Strike back, e.g.
• With 62-Down, be demure
• Hit back
• Make a decision
• Perfor-mance
• QxQ, e.g., in chess
• Be a 15-Across