| agonizing(noun, adjective, account, debate, deliberation) |
| gray matter(noun, expression, head, brain, psyche) |
| account(noun, debate, deliberation, advisement) |
| acumen(noun, head, brain, psyche, cerebrum) |
| advisement(noun, account, debate, deliberation) |
| alertness(noun, head, brain, psyche, cerebrum) |
| astuteness(noun, head, brain, psyche, cerebrum) |
| audit(noun, examination, disquisition, delving, examen) |
| awareness(noun, head, brain, psyche, cerebrum) |
| belfry(noun, head, brain, psyche, cerebrum) |
| brain(noun, head, psyche, cerebrum) |
| brilliance(noun, head, brain, psyche, cerebrum) |
| cerebrum(noun, head, brain, psyche) |
| challenge(noun, examination, disquisition, delving, examen) |
| check(noun, examination, disquisition, delving, examen) |
| checkup(noun, examination, disquisition, delving, examen) |
| cogitation(noun, account, debate, deliberation, advisement) |
| cognizance(noun, head, brain, psyche, cerebrum) |
| consciousness(noun, head, brain, psyche, cerebrum) |
| consideration(noun, account, debate, deliberation, advisement) |