| A | B |
| abstruse | Difficult to understand. |
| acumen | Quickness and accuracy of judgment; keen insight; shrewdness. |
| ascertain | To discover through examination or experimentation; determine. |
| cerebral | Characterized by thought and reason rather than emotion or action. |
| faculty | Any of the powers or capacities possessed by the human mind. |
| relative | Having pertinence or relevance; connected; related. |
| ruminate | To meditate at length; ponder; muse. |
| surmise | To come to a conclusion about something about something without sufficient evidence. |
| tenet | An opinion, doctrine, or principle held as beign true by a person or group. |
| theoretical | Of, pertaining to, or based on conclusions reached through logical reasoning. |