Related Clues:

• ''Sure thing!''
• "Sure"
• 'Definitely!'
• ''All right''
• Opposite of 21-Across
• Certain definitive response
• "That's right!"
• Word before 'dear' or 'sir'
• Word with ''I do''
• "For sure!"
• For sure
• Classic-rock group
• Response to a brother?
• Word said before a meal, perhaps
• Service ender