Related Clues:

• 'Mister!'
• Ring reward
• Threepeater's threepeat
• Word said with a salute
• Title for 17-Across
• Lord, say
• Right
• Deed
• Respectful title
• What to call a sergeant
• It's often italicized
• Walter Raleigh, for one
• Lord or earl, e.g.
• See 30-Across
• Proof of purchase