| convinced(adjective, clear, certain, definite, positive) |
| fixed(adjective, set, clear, total, solid) |
| incontestible |
| infallible(adjective, certain, dependable, undisputable, unerring) |
| palpable(adjective, simple, sharp, plain, true) |
| pronounced(adjective, simple, sharp, solid, certain) |
| set(adjective, clear, solid, certain, definite) |
| steadfast(adjective, clear, certain, definite, undisputable) |
| straight(adjective, clear, correct, right, reasonable) |
| trustworthy(adjective, correct, right, reasonable, honest) |
| unconditional(adjective, total, definite, precise, sure) |
| unexceptionable |
| unmistakeable |
| unqualified(adjective, clear, right, flat, total) |
| well-founded(adjective, definite) |
| well-grounded(adjective, definite) |
| acknowledged |
| beyond doubt(expression, adjective, solid, certain, sure) |
| categorical(adjective, flat, total, plain, definite) |
| cold(adjective, definite) |