Related Clues:

• Eagerly willing
• Agreeable response
• "Oh, what the heck"
• 'Count on it!'
• Confident
• Optimist's credo
• Confident, as an attitude
• Indisputable
• ''Absolutely!''
• ''That won't be a problem!''
• Without a doubt
• Beyond doubt
• Willing to bet the farm
• ''No ___'' (negative slang reply)
• ''You betcha!''