| self-consciousness(noun, head, brain, psyche, thinker) |
| sense(noun, feeling, feel, sensation) |
| skull(noun, head, brain, psyche, thinker) |
| spark(noun, boost, encouragement, goad, impetus) |
| spur(noun, boost, encouragement, goad, impetus) |
| stimulus(noun, boost, encouragement, goad, impetus) |
| suggestion(noun, feeling, sense, feel, sensation) |
| thinker(noun, head, brain, psyche, cerebrum) |
| thinking(noun, memory, remembrance, reminiscence, recollection) |
| touch(noun, feeling, sense, feel, sensation) |
| uptake(noun, grasp, grip, apprehension, perception) |
| visualization(noun, grasp, grip, apprehension, perception) |
| wisdom(noun, head, brain, psyche, thinker) |
| wit(noun, head, brain, psyche, thinker) |
| yeast(noun, boost, encouragement, goad, impetus) |
| psychonomics |