WordWeb Online

1. Someone who vouches for another or for the correctness of a statement
   - verifier
    
2. A document that serves as evidence of some expenditure
    
3. A negotiable certificate that can be detached and redeemed as needed
   - coupon

Derived forms: vouchers

See also: vouch

Type of: admirer, booster, champion, commercial document, commercial instrument, document, friend, papers, protagonist, supporter, written document

Encyclopedia: Voucher