| clear(adjective, certain, definite, sure, unquestionable) |
| conclusive(adjective, clear, certain, sure) |
| definite(adjective, clear, certain, sure, unquestionable) |
| evident(adjective, set, certain, definite, unquestionable) |
| hard(adjective, clear, certain, true, sure) |
| unambiguous(adjective, clear, certain, sure) |
| determined(adjective, certain) |
| firm(adjective, clear, certain, sure) |
| genuine(adjective, clear, certain, sure) |
| plain(adjective, certain) |
| real(adjective, clear, certain, definite, sure) |
| set(adjective, certain, unquestionable, indisputable, unassailable) |
| true(adjective, certain) |
| accomplished |
| accurate(set, certain, unquestionable, indisputable, unassailable) |
| apodictic(set, certain, unquestionable, indisputable, unassailable) |
| authoritative(adjective, certain) |
| beyond question(expression, set, certain, indisputable, undeniable) |
| can bet on it(expression, set, certain, unquestionable, indisputable) |
| confirmable(adjective, certain, undeniable, cincher, unequivocable) |