Related Clues:

• Take an oath
• Give a damn?
• Talk a blue streak?
• See 35-Down
• Testify
• Give one's word
• Solemn promise
• 'I shall return,' e.g.
• Resolve
• Altar declaration
• ''I'll never do it again,'' e.g.
• Bad thing to break
• Altar words
• Say '#@$%!'
• Covenant