Scrabble?! VOUCHER

Definitions of VOUCHER in various dictionaries:

noun - someone who vouches for another or for the correctness of a statement

noun - a document that serves as evidence of some expenditure

noun - a negotiable certificate that can be detached and redeemed as needed

A piece of substantiating evidence; a proof.

A written record of an expenditure, a disbursement, or a completed transaction.

A written authorization or certificate, especially one exchangeable for cash or representing a credit against future expenditures.

To substantiate or authenticate with evidence.

To prepare a voucher for: properly vouchering each transaction.

To issue a voucher to: a company that vouchers employees when the payroll cannot be met.

verb - to establish the authenticity of