Related Clues:

• ''Certainly!''
• Cynic's snort
• ''Why, certainly!''
• 'Excellent!'
• Concurrence
• Da, somewhere
• -
• 'As if!'
• ''I knew it!''
• Pro vote
• With 45-Across, emphatic assent
• 'You got it'
• Sarcastic comment
• Conciliatory response
• "Yeah, right!"