| indubitable(adjective, set, certain, definite, unquestionable) |
| decisive(adjective, definite, precise, sure, absolute) |
| unassailable(adjective, set, certain, definite, unquestionable) |
| actual(adjective, sound, certain, true, definite) |
| apodictic(adjective, set, certain, demonstration, unquestionable) |
| demonstrative(adjective, definite, precise, sure, demonstration) |
| exempt(adjective, safe, unaffected, protected, resistant) |
| favored(adjective, safe, unaffected, protected, resistant) |
| invulnerable(adjective, safe, unaffected, protected, resistant) |
| irresistible(adjective, set, certain, demonstration, unquestionable) |
| licensed(adjective, safe, unaffected, protected, resistant) |
| necessary(adjective, sound, certain, true, definite) |
| privileged(adjective, safe, unaffected, protected, resistant) |
| probative |
| real(adjective, sound, certain, true, definite) |
| rhetorical |
| unimpeachable(adjective, set, certain, unquestionable, indisputable) |
| unliable(adjective, safe, unaffected, protected, resistant) |
| valid(adjective, sound, right, reasonable, rational) |
| accomplished |