| preoccupied(adjective, reasonable, keen, deep, thoughtful) |
| excogitative(adjective, thoughtful, thoughts) |
| absorbed(adjective, reasonable, keen, deep, rational) |
| rapt(adjective, reasonable, keen, thoughtful, absorbed) |
| serious(adjective, set, thoughtful, thinking, stern) |
| subjective(adjective, characteristic, quality, reasonable, keen) |
| museful(adjective, reasonable, keen, thought, deep) |
| ruminating(adjective, rational, intelligent, thoughtful, thinking) |
| sober(adjective, set, reasonable, severe, keen) |
| abstracted(adjective, thoughtful, thinking) |
| deliberating(adjective, rational, intelligent, thoughtful) |
| dreaming(adjective, melancholy, thoughtful, pensive) |
| dreamy(adjective, melancholy, thoughtful, thinking, pensive) |
| inner-directed(adjective, characteristic, quality, experience, analysis) |
| introverted(adjective, characteristic, quality, experience, analysis) |
| lost in thought(expression, adjective, idiom, thoughtful, thinking) |
| meditating |
| meditation |
| reflecting(adjective, reasonable, keen, deep, thoughtful) |
| absent-minded |