Related Clues:

• Undoubtedly
• ''Be happy to!''
• Victorious shout
• It's ''positively'' hidden four times in this puzzle
• "Really?"
• ''Sure thing!''
• "Sure"
• 'Definitely!'
• ''All right''
• Opposite of 21-Across
• Certain definitive response
• "That's right!"
• "Honest"
• Word before 'dear' or 'sir'
• Word with ''I do''