| reflection(noun, study, act, understanding, philosophy) |
| thought(noun, study, act, understanding, philosophy) |
| speculation(noun, concept, act, understanding, grasp) |
| consideration(noun, study, understanding, dispute, grasp) |
| musing(noun, verb, concept, study, understanding) |
| rumination(noun, study, act, understanding, philosophy) |
| contemplation(noun, study, act, understanding, philosophy) |
| deliberation(noun, study, act, understanding, philosophy) |
| cogitation(noun, study, act, understanding, philosophy) |
| pondering(noun, study, understanding, class, exercise) |
| study(noun, understanding, philosophy, idea, attention) |
| cerebration(noun, act, understanding, philosophy, idea) |
| thinking(noun, understanding, philosophy, idea, attention) |
| absorption(noun, study, attention, thought, consideration) |
| brooding(noun, thought, contemplation, self-examination) |
| concentration(noun, study, attention, class, exercise) |
| lucubration(noun, thought) |
| reverie(noun, study, class, exercise, thought) |
| brainwork(noun, act, understanding, process, attention) |
| debate(noun, study, dispute, attention, class) |