Related Clues:

• "Of course"
• ''Permission granted''
• "Cool!"
• Nod's significance
• 'Far out, man!'
• "I'll do it!"
• No alternative
• Unambiguous response
• Okay word?
• "Amen!"
• Affirming word
• One of two definitive responses
• ''Peachy keen!''
• "Sure!"
• Happy cry