| proved(verb, adjective, tried, substantiated, tested) |
| confirmed(verb, adjective, sound, reasonable, rational) |
| demonstrated(verb, adjective, demonstration, evinced, proved) |
| certified(verb, adjective, test, expert, reliable) |
| substantiated(verb, adjective, firm, solid, truth) |
| verified(verb, truth, substantiated, proved, ascertained) |
| tried(verb, adjective, test, expert, reliable) |
| tested(verb, adjective, test, expert, reliable) |
| validated(verb, adjective, reliable, accepted, trustworthy) |
| attested(verb, adjective, test, expert, reliable) |
| corroborated(verb, adjective, substantiated, evinced, evidential) |
| authentic(adjective, good, sound, right, reasonable) |
| determined(verb, evinced, proved, ascertained, experimented) |
| true(adjective, sound, reasonable, certain, proper) |
| supported(verb, adjective, reliable, established, trustworthy) |
| authenticated(verb, substantiated, evinced) |
| approved(adjective, test, expert, reliable) |
| ascertained(verb, proved, ascertained) |
| good(adjective, sound, reasonable, rational) |
| right(adjective, good, sound, reasonable, solid) |