| authenticate(verb, sign, authorize, endorse, witness) |
| certify(verb, pass, sign, approve, authorize) |
| countersign(verb, sign, authorize, endorse, witness) |
| endorse(verb, check, pass, sign, approve) |
| notarise |
| validate(verb, authorize, certify) |
| approve(verb, pass, authorize, sanction, endorse) |
| confirm(verb, pass, sign, approve, authorize) |
| affirm(verb, sign, authorize, endorse, countersign) |
| authorize(verb, sign, approve, authorize, sanction) |
| ratify |
| sanction(verb, pass, approve, authorize, endorse) |
| attest(verb, sign, endorse, witness, validate) |
| permit(verb, authorize) |
| second |
| verify(verb, certify) |
| warrant(verb, authorize) |
| witness(verb, sign, endorse, validate, countersign) |
| accept(verb, approve, authorize, sanction, endorse) |
| accredit(verb, pass, approve, authorize, sanction) |