Related Clues:

• "That's an affirmative"
• 'Sounds good!'
• Thumbs-up answer
• 'I'd be glad to!'
• Free of doubt
• "Definitely!"
• "Indubitably!"
• "Affirmative"
• 'Go right ahead'
• What 40-Across means
• Kind of man at the office
• Briefest acceptance speech?
• 'Close to the Edge' band
• Word of the willing
• 'Fine'