What is to bear witness; to give testimony or full attestation. He will not believe her until the elector of Hanover shall vouch for the truth of what she has . . . affirmed. Swift called?

vouch — To bear witness; to give testimony or full attestation. He will not believe her until the elector of Hanover shall vouch for the truth of what she has . . . affirmed. Swift. (Webster's 1913.)

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