Related Clues:

• Certainly
• Completely convinced
• Having no doubt
• Auction cry
• Undeniable
• ''By all means!''
• Word spoken with a rap of the gavel
• 'Why not!'
• Yard sale tag
• ''Certainly!''
• Skeptical acknowledgement
• Made certain
• Went to and fro
• Unfailing
• 'You've got yourself a deal!'