Related Clues:

• Swore
• Declared
• Authenticated
• Bore witness (to)
• Affirmed
• Certified
• Vouched for
• Swore (to)
• Bore witness to
• Declared to be true
• Certified, vouched
• Declared to be true or genuine
• Provided evidence
• Affirmed to be true
• Declared that something was true