| warrant(noun, information, leave, reason, agreement) |
| acid test(noun, expression, idiom, test, experiment) |
| assay(noun, study, check, measure, examination) |
| assertion(noun, confirmation, affirmation, pronouncement) |
| assurance(noun, affirmation) |
| avowal(noun, agreement, evidence, authorization, consent) |
| checking(check, review, proving) |
| criterion(noun, check, information, reason, approval) |
| crucial test(expression, idiom, experiment) |
| endorsement(noun, leave, agreement, permit, approval) |
| establishment(noun, information, reason, picture, evidence) |
| probe(noun, experiment) |
| seal(noun, proof, confirmation, substantiation) |
| acknowledgment(noun, agreement, authorization, consent, warrant) |
| admission(noun, agreement, approval, authorization, consent) |
| approval(noun, check, leave, agreement, examination) |
| audit(noun, check, review, inspection) |
| determination(noun, experiment) |
| experiment(noun, check, approval, examination, test) |
| identification |