Related Clues:

• See 11-Down
• 'You said it!'
• One of the five W's
• Sycophant's response
• Permissible
• Thumbs up
• 'Indeed!'
• Middling
• Direct-mail response sticker
• Reporter's question
• Green light
• 'That's it!'
• Cry of success
• Aye-aye
• 'You betcha!'