Related Clues:

• ''Yeah, right!''
• 'Puh-leeze!'
• Guaranteed
• But of course
• ''A likely story!''
• Sarcastic assent
• Certainly
• Completely convinced
• Having no doubt
• Undeniable
• ''By all means!''
• 'Why not!'
• ''Certainly!''
• Skeptical acknowledgement
• Unfailing