Synonyms to vouching

affidavit, admission, affirmation, allegation, assertion, asseveration, attest, attestation, authority, authorization, averment, avouchment, avowal, bill, bill of complaint, bill of health, certificate, certificate of proficiency, certification, claim, complaint, compurgation, credential, declaration, deposition, diploma, disclosure, instrument in proof, legal evidence, libel, manifesto, narratio, navicert, nolle prosequi, nonsuit, notarized statement, note, position paper, profession, sheepskin, solemn declaration, statement, statement of belief, statement of facts, statement under oath, swearing, sworn evidence, sworn statement, sworn testimony, testamur, testimonial, testimonium, testimony, ticket, visa, vise, voucher, warrant, warranty, witness, word, John Hancock, OK, Parthian shot, a priori principle, acceptance, accord, acquiescence, address, affirmance, affirmative, affirmative voice, agreement, answer, apostrophe, approbation, approval, apriorism, assent, assumed position, assumption, au