| indefeasible(adjective, ideal, all time, the best) |
| ineluctable(adjective, certain, obvious, necessary, inexorable) |
| irrevocable(adjective, certain, definite, decisive, necessary) |
| of course(expression, idiom, adverb, interjection, fine) |
| precise(adjective, close, clear, correct, plain) |
| predictable(adjective, good, strong, honest, solid) |
| unanswerable(adjective, ideal, all time, the best) |
| uncontestable(adjective, ideal, all time, the best) |
| abiding(adjective, calm, strong, complete, secure) |
| authoritative(adjective, clear, pure, certain, original) |
| believing(adjective, firm, belief, positive, confident) |
| constant(adjective, calm, good, close, strong) |
| convincing(adjective, pure, certain, original, definite) |
| exact(adjective, close, clear, strong, correct) |
| flat(adjective, strong, certain, definite, absolutely) |
| foolproof(adjective, infallible) |
| genuine(adjective, close, clear, sound, correct) |
| good(strong, consistent, trustworthy, steadfast, assent) |
| obvious(adjective, set, clear, certain, definite) |
| patent(adjective, clear, plain, certain, definite) |