| demonstrable(adjective, clear, valid, evident, undoubtable) |
| plain(adjective, clear, sharp, obvious, valid) |
| undisputable(adjective, certain, true, ideal, all time) |
| undoubted(adjective, clear, certain, absolute, evident) |
| unmistakable(adjective, clear, sharp, certain, definite) |
| cogent(adjective, ideal, all time, the best) |
| obvious(adjective, clear, sharp, definite, evident) |
| patent(adjective, sharp, certain, definite, obvious) |
| unchallengeable(adjective, ideal, all time, the best) |
| unchallenged(adjective, ideal, all time, the best) |
| uncontestable(adjective, ideal, all time, the best) |
| judgemental |
| ultimate(adjective, ideal, all time, the best) |
| uncontested(adjective, ideal, all time, the best) |
| decisive(adjective, clear, plain, certain, definite) |
| definitive |
| final(adjective, certain, definite, precise, indisputable) |
| hard(adjective, clear, certain, true, sure) |
| solid(adjective, reasonable, realistic, persuasive, credible) |
| valid(clear, reasonable, solid, certain, definite) |