| perceptive(sound, sharp, sensible, intelligent, wise) |
| quizzical(adjective, questioning) |
| rational(adjective, reasonable, keen, sensible, deep) |
| reasonable(adjective, keen, sensible, deep, rational) |
| sage(adjective, sound, sharp, sensible, intelligent) |
| sensible(adjective, sound, sharp, intelligent, wise) |
| smart(sound, sharp, sensible, intelligent, wise) |
| sound(reasonable, sharp, sensible, careful, intelligent) |
| sullen(adjective, dejected) |
| woeful(adjective, dejected) |
| abstracted(adjective, thoughtful, thinking, meditative) |
| analytical(adjective, reasonable, keen, deep, rational) |
| brainy(adjective, reasonable, keen, deep, rational) |
| brood |
| buried in |
| calculating(adjective, reasonable, keen, sensible, deep) |
| calm |
| careful(adjective, sound, reasonable, sharp, sensible) |
| caught up in(expression, idiom) |
| cerebral(adjective, reasonable, keen, deep, rational) |