| having all marbles(expression, adjective, idiom, sound, reasonable) |
| healthful(adjective, good, healthy, nutritious, nourishing) |
| in one's right mind(adjective, idiom, sound, reasonable) |
| just(moderate, honest, sensible, proper, wise) |
| justifiable(adjective, sound, honest, sensible, fair) |
| knowing(sound, reasonable, moderate, honest, sensible) |
| mentally healthy(expression, idiom) |
| no-nonsense(adjective, reasonable, sensible, practical, realistic) |
| passable |
| plausible(adjective, sound, honest, sensible, fair) |
| playing with full deck(expression, adjective, idiom, sound, reasonable) |
| ratiocinative(adjective, sound, reasonable, sensible, rational) |
| reasoned(adjective, sound, reasonable, sensible, rational) |
| responsible |
| safe(adjective, good, sound, complete, right) |
| serene |
| sharp(sensible, intelligent, wise, shrewd, sage) |
| smart(sensible, intelligent, sage) |
| solid(complete, reasonable, vigorous, useful, realistic) |
| sophic(reasonable, sensible, careful, intelligent, sage) |