Related Clues:

• 'Certainly!'
• 'Uh-huh!'
• 'Okey-doke'
• Verifiable
• "You bet!"
• "No problemo!"
• 'Works for me'
• Foolproof
• "Darn tootin'!"
• Doubt-free
• 'Sure!'
• "Yeah, right"
• "Certainly!"
• "Why, certainly!"
• Seek damages