| agent | sense, organ, faculty |
| conspectuity | faculty of sight, insight, vision |
| discourse | rationality, faculty of understanding |
| faculty | function, power, capability |
| instrument | organ, faculty, functioning part |
| invention | inventiveness, imagination, creative faculty |
| power | faculty, function, ability |
| school | medical faculty |
| speculation | power of knowing, faculty of intelligence |
| unreasonable | lacking the faculty of reason, irrational |