v. [CO- 1.] trans. To attest together or in conjunction (with). So Co-attestation, Co-attestator.

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1650.  Elderfield, Tythes, 297. He must know this, and will I believe give it in co-attestation.

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1708.  Misc. Curiosa, II. 7. The same Relation is Coattested by Nine other several Successions … if we suppose a Coattestation of Nineteen, the Credibility of it will be, as above Two Millions to One.

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a. 1711.  Ken, Hymns Festiv., Poet. Wks. 1721, I. 264. That heav’nly Paraclete … With Conscience co-attests our Zeal.

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1810.  Bentham, Packing (1821), 232. Established by an affidavit, with or without co-attestators.

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