Related Clues:

• 'What's My Line?' reply
• ''Gone With The Wind'', e.g.
• "Without a doubt"
• "That's right"
• "Of course"
• ''Permission granted''
• Nod's significance
• "I'll do it!"
• No alternative
• Unambiguous response
• Okay word?
• "Amen!"
• Affirming word
• One of two definitive responses
• Like certain proportions