| common(adjective, ordinary, usual, normal) |
| commonplace(adjective, ordinary, usual, normal) |
| comprehensible(sound, understandable) |
| conclusive(sound, reasonable, rational, reasoning, forceful) |
| congruent(adjective, clear, sound, reasonable, rational) |
| consecutive(adjective, sequence) |
| consonant(adjective, even, uniform, harmonious, compatible) |
| cool(adjective, good, sound, reasonable, sensible) |
| correct(reasonable, neat, tidy, valid, arranged) |
| customary(adjective, reasonable, sensible, ordinary, natural) |
| defensible(adjective, sound, reasonable, rational, justified) |
| dependable(adjective, good, sensible, regular, even) |
| efficacious(good, sound, right, reasonable, rational) |
| erudite(adjective, rational, moral, intellectual, theoretical) |
| expected(adjective, ordinary, usual, regular, normal) |
| faithful |
| habitual(adjective, ordinary, usual, normal) |
| hard(sharp, practical, realistic, shrewd) |
| healthy(sensible, rational, stable, sober, well-balanced) |
| highbrow(rational, intelligent, knowledgeable, intellectual) |