| proved(true, real, indisputable) |
| questionless |
| regular(adjective, correct, right, honest, exact) |
| solid(adjective, certain, sure, guaranteed) |
| sound(certain, true, definite, real, indisputable) |
| straightforward(simple, sharp, flat, total, plain) |
| substantial |
| superior(adjective, definite) |
| tenable(reasonable, realistic, authentic, satisfying, trustworthy) |
| trusting(adjective, certain) |
| trusty(reasonable, realistic, authentic, satisfying, trustworthy) |
| truthful(adjective, correct, right, honest, exact) |
| uncompromised |
| understandable(simple, sharp, distinct, well-defined) |
| unquestioning(clear, certain, definite, undisputable) |
| valid(clear, correct, honest, certain, true) |
| veracious(adjective, correct, right, honest, perfect) |
| verified |
| absolutely certain(expression, adjective, solid, certain, sure) |
| acceptable(reasonable, realistic, authentic, satisfying, trustworthy) |