Related Clues:

• 'I can do that!'
• 'Most indubitably. I can phlegmatically assure you that its definitude knows no fallacy,' informally
• 'Sure,' cowboy-style
• 'Fer sure!'
• ''I'd be glad to''
• Lacking question marks
• 'A Boy Named ___' [Confident]
• and 23: The eccentric covering web activity's fine, of course
• 'O.K., I'm game'
• 'Be glad to!'
• ''Sure do''
• Informal 28 Down
• 'Reckon so'
• "Okey-doke"
• "I'd be happy to!"