Related Clues:

• 'What'll ___?'
• 'Let me go!' e.g.
• Solemn vow
• Vow words
• Prayer
• One fifth of an ABBA hit
• Solemn wedding words
• Rite answer?
• Court oath
• 'If ___ say so myself'
• Supplication
• Altar affirmative
• Answer to a charge
• Swearing-in pledge
• Start for a union?