| engrossed(adjective, reasonable, keen, deep, rational) |
| serious(adjective, set, deep, thoughtful, sober) |
| broody |
| rational(adjective, sound, reasonable, honest, sensible) |
| ruminating(adjective, rational, intelligent, thoughtful, thinking) |
| subjective(adjective, characteristic, quality, reasonable, keen) |
| discreet(adjective, moderate, sensible, proper, intelligent) |
| excogitative(adjective, thoughtful, thoughts) |
| intellectual(adjective, sound, reasonable, sensible, deep) |
| judicious(adjective, sound, reasonable, sharp, smart) |
| meditating |
| melancholy(adjective, reasonable, keen, deep, rational) |
| museful(adjective, reasonable, keen, thought, deep) |
| preoccupied(adjective, reasonable, keen, deep, rational) |
| prudent(adjective, sound, reasonable, moderate, honest) |
| sober(adjective, sound, reasonable, severe, honest) |
| cogitating(adjective, thoughtful, pensive) |
| considerate |
| deliberate(adjective, sound, reasonable, severe, sensible) |
| deliberating(adjective, rational, intelligent, thoughtful) |