| certified(verb, adjective, approved, permitted, authorized) |
| confirmed(verb, adjective, approved, authorized, substantiated) |
| authenticated(verb, adjective, approved, authorized, substantiated) |
| affirmed(verb, adjective, accepted, approved, permitted) |
| approved(verb, adjective, approved, permitted, authorized) |
| corroborated(verb, adjective, substantiated, affirmed, evinced) |
| endorsed(verb, accepted, approved, permitted, official) |
| ratified(verb, accepted, approved, permitted, official) |
| substantiated(verb, adjective, evinced, evidential) |
| supported(verb, adjective, reliable, trustworthy, permitted) |
| proven(verb, adjective, reliable, accepted, trustworthy) |
| verified(verb, substantiated, affirmed) |
| attested(verb, affirmed, evinced) |
| authorized(verb, adjective, accepted, approved, permitted) |
| sanctioned(verb, adjective, accepted, approved, permitted) |
| demonstrated(verb, adjective, evinced, evidential) |
| accepted(verb, approved, permitted, official, confirmed) |
| countersigned(verb, adjective, authorized) |
| permitted(verb, adjective, accepted, approved, official) |
| valid |