| sensible(adjective, good, clear, sound, reasonable) |
| reasonable(adjective, good, clear, sound, reasonable) |
| rational(adjective, good, clear, sound, reasonable) |
| intelligent(adjective, clear, sound, reasonable, reason) |
| sound(noun, adjective, good, clear, reasonable) |
| wise(adjective, good, clear, sound, reasonable) |
| judicious(adjective, good, clear, sound, reasonable) |
| valid(adjective, clear, sound, right, reasonable) |
| coherent(adjective, clear, sound, smooth, reasonable) |
| consistent(adjective, clear, sound, reasonable, sensible) |
| sane(adjective, sound, reasonable, sensible, rational) |
| legitimate(adjective, good, clear, reasonable, normal) |
| plausible(adjective, clear, sound, reasonable, sensible) |
| realistic(adjective, sound, tough, reasonable, sharp) |
| cogent(adjective, clear, sound, reasonable, sensible) |
| commonsensical(adjective, good, clear, sound, reasonable) |
| consequent(adjective, good, clear, sound, reasonable) |
| orderly(adjective, sound, exact, careful, regular) |
| practical(adjective, adverb, sound, reasonable, sensible) |
| justifiable(adjective, clear, sound, reasonable, sensible) |