Related Clues:

• ''Why, certainly!''
• 'Excellent!'
• Concurrence
• Da, somewhere
• -
• ''I knew it!''
• ''... is a friend ---''
• Pro vote
• With 45-Across, emphatic assent
• 'You got it'
• Conciliatory response
• 'It's true!'
• "You don't say!"
• 'That's right'
• It's an ok word