| validated(verb, adjective, reliable, approved, supported) |
| attested(verb, adjective, evinced) |
| confirmed(verb, adjective, approved, authorized, substantiated) |
| certified(verb, adjective, approved, authorized, evinced) |
| verified(verb, adjective, reliable, approved, supported) |
| approved(verb, adjective, approved, authorized) |
| corroborated(verb, substantiated, evinced) |
| documented(verb, adjective, evinced) |
| established(verb, evinced) |
| affirmed(verb, adjective, approved, authorized) |
| notarized(verb, adjective, authorized, signed) |
| substantiated(verb, adjective, approved, supported, confirmed) |
| demonstrated(verb, evinced) |
| endorsed(verb, adjective, proper, definite, valid) |
| proven(verb, substantiated, evinced) |
| ratified(verb, approved) |
| authoritative(adjective, original, genuine, reliable, trustworthy) |
| authorized(verb, adjective, approved, authorized) |
| countersigned(verb, adjective, authorized) |
| genuine(adjective, honest, certain, true, straight) |