Related Clues:

• Nod's significance
• "I'll do it!"
• No alternative
• Unambiguous response
• Okay word?
• "Amen!"
• Affirming word
• One of two definitive responses
• "Sure!"
• Happy cry
• Undoubtedly
• ''Be happy to!''
• Victorious shout
• Something to be slapped with
• 'O.K. by me'