| of sound mind(expression, adjective, idiom, sensible, healthy) |
| prudent(adjective, calm, good, sound, reasonable) |
| sober(adjective, good, sound, reasonable, sensible) |
| wise(adjective, calm, good, sound, reasonable) |
| able(smart, bright, brainy, sharp-witted, quick-thinking) |
| acute(smart, bright, active, wise, brainy) |
| adept(smart, bright, skillful, sharp-witted, nimble-witted) |
| adroit(smart, bright, skillful, sharp-witted, nimble-witted) |
| advisable(adjective, good, sound, sensible, fair) |
| analytical(sound, reasonable, sensible, reasoning, intellectual) |
| apt(smart, bright, brainy, sharp-witted, quick-thinking) |
| arguable(adjective, sound, sensible, rational, intelligent) |
| astute(adjective, sound, reasonable, sharp, smart) |
| attentive(adjective, reasonable, rational, intelligent, sober) |
| au courant(expression, adjective, reasonable, rational, intelligent) |
| aware(adjective, sound, reasonable, sensible, rational) |
| believable(adjective, sound, sensible, rational, intelligent) |
| both oars in water(expression, idiom, sensible, rational, healthy) |
| bright(smart, brainy, sharp-witted, quick-thinking) |
| calm(adjective, sound, reasonable, sensible, rational) |