| thought(noun, act, philosophy, idea, process) |
| thinking(noun, understanding, philosophy, idea, belief) |
| deliberation(noun, act, understanding, philosophy, view) |
| reflection(noun, act, understanding, philosophy, idea) |
| cogitation(noun, act, understanding, philosophy, idea) |
| rumination(noun, act, understanding, philosophy, view) |
| speculation(noun, act, understanding, view, process) |
| meditation(noun, act, understanding, philosophy, idea) |
| reasoning(noun, understanding, philosophy, idea, attention) |
| consideration(noun, understanding, belief, attention, thought) |
| contemplation(noun, act, understanding, philosophy, idea) |
| intellection(noun, thought) |
| pondering(noun, thought, consideration, debate, thinking) |
| brainwork(noun, act, understanding, view, process) |
| idea(noun, philosophy, view, impression, thoughts) |
| thought process(noun, expression, thought, thinking) |
| study(noun, understanding, philosophy, idea, attention) |
| excogitation(noun, act, process, belief, thought) |
| intellect(noun, understanding, intelligence, intellect, brain) |
| mentation |