Related Clues:

• Bachelor's last words
• 'I do,' e.g.
• Swear
• Promise
• Witness's reply
• Words of agreement
• Words to remember
• Word
• See 53-Across
• Enthusiastic response
• ___-European
• When doubled, a David Merrick musical
• Pledge
• Yes, at the altar
• See 23-Across