| musing(noun, verb, adjective, concept, understanding) |
| pondering(noun, verb, adjective, thoughtful, thinking) |
| meditating(noun, verb, adjective, concept, understanding) |
| reasoning(noun, verb, thoughtful, reasoning, thinking) |
| reflecting(noun, verb, adjective, thinking) |
| thinking(noun, verb, reasoning, thinking) |
| brooding(noun, verb, adjective, thinking) |
| considering(noun, verb, concept, understanding, grasp) |
| contemplating(noun, verb, adjective, thinking) |
| deliberating(noun, verb, adjective, concept, understanding) |
| imagining(noun, verb, concept, understanding, grasp) |
| reflective(adjective, thoughtful, pensive) |
| ruminating(noun, verb, adjective) |
| brainstorming |
| contemplative(adjective, thoughtful, pensive) |
| speculating(noun, verb, concept, understanding, grasp) |
| thoughtful(adjective, pensive) |
| analyzing(verb, reasoning, thinking) |
| concentrating(noun, verb, concept, understanding, grasp) |
| conception(noun, understanding, grasp, command, idea) |