| probability |
| prone(adjective, reasonable, fair, acceptable, expected) |
| proven(set, certain, unquestionable, indisputable, unassailable) |
| rational(adjective, reasonable, fair, acceptable, expected) |
| reasonable(adjective, fair, acceptable, expected, apt) |
| seeming(adjective, reasonable, fair, acceptable, expected) |
| set(certain, unquestionable, indisputable, unassailable, ironclad) |
| sporting chance |
| subject to(expression, adjective, reasonable, fair, acceptable) |
| supposable(adjective, reasonable, fair, acceptable, expected) |
| sure(set, certain, unquestionable, indisputable, unassailable) |
| sure thing |
| tending(adjective, reasonable, fair, acceptable, expected) |
| thinkable(adjective, reasonable, fair, acceptable, expected) |
| true(adjective, reasonable, fair, acceptable, expected) |
| unanswerable(set, certain, unquestionable, indisputable, unassailable) |
| unassailable(set, certain, unquestionable, indisputable, ironclad) |
| unequal |
| unimpeachable(set, certain, unquestionable, indisputable, unassailable) |
| up-and-coming(reasonable, fair, expected, apt, inclined) |