| thought(noun, philosophy, idea, attention, consideration) |
| idea(noun, philosophy, idea, thought, thoughts) |
| conception(noun, idea, imaginings) |
| reflection(noun, understanding, philosophy, idea, attention) |
| rumination(noun, understanding, philosophy, idea, attention) |
| cerebration(noun, understanding, philosophy, idea, attention) |
| cogitation(noun, understanding, philosophy, idea, attention) |
| consideration(noun, understanding, idea, attention, hope) |
| opinion(noun, philosophy, idea, thought, thoughts) |
| vision(noun, idea, recognition, excitability, watching) |
| brainstorm(noun, concept, idea, stimulus) |
| brainwork(noun, understanding, attention, hope, consideration) |
| caliber |
| calibre |
| concept(noun, idea) |
| excogitation(noun, reflection, contemplation, cogitation) |
| intellection(noun, thought, perception, imaginings) |
| mental grasp(noun, expression, imaginings) |
| notion(noun, idea) |
| observation(noun, idea) |