Related Clues:

• Rite answer?
• Court oath
• 'If ___ say so myself'
• Altar affirmative
• Presidential affirmations
• Swearing-in pledge
• A wedding requires two of them
• Inauguration recitation
• Start for a union?
• See 29-Across
• Common oath
• 'Rats!' and others
• Words often exchanged
• Conclusion of a singles match?
• Promising reply