| pensiveness(noun, thoughtfulness, dejection, musing, reflectiveness) |
| meditativeness(noun, thoughtfulness, musing, reflectiveness) |
| melancholy(noun, dejection) |
| thoughtfulness(noun, musing, reflectiveness) |
| absorption(thoughtfulness, musing, reflectiveness) |
| abstraction(thoughtfulness, musing, reflectiveness) |
| blues(noun, thoughtfulness, dejection, musing, reflectiveness) |
| brooding |
| brown study(expression, idiom) |
| dejection(noun, thoughtfulness, dejection, musing, reflectiveness) |
| depression(noun, thoughtfulness, dejection, musing, reflectiveness) |
| despair(noun, thoughtfulness, dejection, musing, reflectiveness) |
| despondency(noun, thoughtfulness, dejection, musing, reflectiveness) |
| ennui(noun, thoughtfulness, dejection, musing, reflectiveness) |
| gloominess(noun, thoughtfulness, dejection, musing, reflectiveness) |
| misery(noun, thoughtfulness, dejection, musing, reflectiveness) |
| mournfulness(noun, thoughtfulness, dejection, musing, reflectiveness) |
| musing(noun, thoughtfulness, reflectiveness) |
| preoccupation(noun, thoughtfulness, musing, reflectiveness) |
| reverie |