Related Clues:

• Free from doubt
• -
• ''I knew it!''
• Pro vote
• With 45-Across, emphatic assent
• 'That'd be fine'
• 'Why not?!'
• 'You got it'
• Doubtless
• Conciliatory response
• 'That's right'
• It's an ok word
• "Close to the Edge" band
• Positive message
• No alternative?