| weighty(adjective, clear, sound, right, reasonable) |
| well-founded(adjective, good, sound, right, reasonable) |
| absolute(adjective, clear, correct, honest, true) |
| confirmed(adjective, sound, right, reasonable, rational) |
| well-grounded(adjective, good, sound, right, reasonable) |
| compelling(adjective, clear, direct, sound, right) |
| exact(adjective, good, open, correct, honest) |
| forceful(adjective, clear, strong, power, direct) |
| forcible(adjective, strength, violent, important, powerful) |
| irrefutable(adjective, clear, sound, right, reasonable) |
| justifiable(adjective, reasonable, sensible, proper, logical) |
| meaningful(adjective, clear, significant, apt, effective) |
| binding(adjective, characteristic, sound, right, reasonable) |
| competent(adjective, good, power, suitable, acceptable) |
| reliable(adjective, good, clear, open, right) |
| adequate(adjective, good, power, suitable, acceptable) |
| rational(adjective, sound, reasonable, sensible, proper) |
| attested(adjective, sound, right, reasonable, rational) |
| authorized(adjective, fair, proper, legitimate, lawful) |
| certain(adjective, correct, honest, true, straight) |