Related Clues:

• Word of assent
• Cry of delight
• 'Uh-huh'
• 'You bet!'
• 'Yeah, right!'
• 'I knew it!'
• 100%
• It's positive
• Cynic's retort
• 'Oh, right!'
• Emphatic affirmative
• Up, as a vote
• 'Why not?'
• Go-ahead
• Enthusiastic response