Related Clues:

• Wedding promises
• See 66-Across
• Bush took it
• Inauguration highlight
• Inaugural statement
• It's sworn at a swearing-in
• Some are solemn
• Assurance
• Affirmation
• Wedding promise
• Formal declaration
• Curse or vow
• Witnesses take one
• They make people raise their hands
• It may be solemn