Related Clues:

• 'Okey-doke'
• Verifiable
• Assured
• "You bet!"
• "No problemo!"
• 'Works for me'
• Foolproof
• Doubt-free
• Having three dimensions
• Cube or cone
• "Yeah, right"
• "Certainly!"
• "Why, certainly!"
• Seek damages
• Unyield-ing