Related Clues:

• Declare under oath
• Bear out
• Back financially
• Affirm, with 'to'
• One buying time, perhaps
• Finance
• Certify (to)
• Bear witness (to)
• Spot remover, at times
• Warrant, with 'to'
• Give evidence - sounds a trial
• Certify or bear witness
• Give evidence, bear witness
• Patron or godparent
• Declare to be true or genuine