a person or thing that vouches.

a document, receipt, stamp, or the like, that gives evidence of an expenditure.

a form authorizing a disbursement of cash or a credit against a purchase or expense to be made in the future.

written authorization; credential.

a piece of evidence or proof.

Early English Law .

a person called into court to warrant another's title.

the act of vouching another person to make good a warranty.

to pay for, guarantee, or authorize by voucher.

to prepare a voucher for.

noun

certificate , check , chit , coupon , credential , debenture , iou * , note , notice , proof of purchase , release , sales slip , slip , stub , ticket , token , affidavit , attestator , bill , docket , proof , receipt , statement