| certify(verb, recognize, sanction) |
| coupon(noun, permit, document, license, ticket) |
| guarantee(noun, verb, agreement, permit, recognize) |
| permit(noun, check, pass, authority, job) |
| testimony(noun, text, order, record, contract) |
| warranty(noun, agreement, permit, record, contract) |
| authentication(noun, security, document, license, diploma) |
| bill(noun, piece, currency, buck, greenback) |
| charter(noun, pass, agreement, authority, record) |
| note(permit, record, acknowledgment, currency, buck) |
| sheepskin(noun, document, license, diploma) |
| affirmation(noun, document, license, diploma) |
| authorization(noun, pass, permit, record, grant) |
| authorize(verb, recognize, sanction) |
| bond(noun, agreement, contract, assurance, promise) |
| check(permit, ticket, receipt, coupon, voucher) |
| documentation(noun, permit, authorization, document, license) |
| draft |
| endorsement(noun, support, order, charge, permit) |
| evidence(noun, text, record, statement, file) |