Related Clues:

• 'No question'
• 'You got it!'
• Ouija board answer
• 'Damn right!'
• 'What's My Line?' reply
• "Without a doubt"
• "That's right"
• "Of course"
• ''Permission granted''
• Nod's significance
• "I'll do it!"
• No alternative
• Unambiguous response
• Okay word?
• "Amen!"