Related Clues:

• ''I knew it!''
• Pro vote
• With 45-Across, emphatic assent
• Slangy OK
• One-third of a Beatles refrain
• 'Is that so?'
• 'You got it'
• Cheerleader's shout
• Conciliatory response
• 'Huzzah!'
• 'That's right'
• It's an ok word
• "Close to the Edge" band
• Positive message
• No alternative?