Related Clues:

• Word of assent
• 'Uh-huh'
• Authorize
• 'You bet!'
• 'Yeah, right!'
• 'No problem'
• Hunky-dory
• 'Deal!'
• Allowable
• 'Sure, why not?'
• So-so
• Certain
• Secret competitor
• 'Why not?'
• Go-ahead