| probing(noun, examination, disquisition, delving, examen) |
| psyche(noun, head, brain, cerebrum) |
| query(noun, examination, disquisition, delving, examen) |
| quest(noun, examination, disquisition, delving, examen) |
| question(noun, examination, disquisition, delving, examen) |
| questionary(noun, examination, disquisition, delving, examen) |
| questionnaire(noun, examination, disquisition, delving, examen) |
| quiz(noun, examination, disquisition, delving, examen) |
| reason(noun, head, brain, psyche, cerebrum) |
| reflection(noun, account, debate, deliberation, advisement) |
| rehearing(noun, examination, disquisition, delving, examen) |
| reinvestigation(noun, examination, disquisition, delving, examen) |
| research(noun, examination, disquisition, delving, examen) |
| rumination(noun, account, debate, deliberation, advisement) |
| sagacity(noun, head, brain, psyche, cerebrum) |
| sapience(noun, head, brain, psyche, cerebrum) |
| self-awareness(noun, head, brain, psyche, cerebrum) |
| self-consciousness(noun, head, brain, psyche, cerebrum) |
| self-examination(noun, examination, disquisition, delving, examen) |
| self-exploration(noun, examination, disquisition, delving, examen) |