| 1. | acquaintance with facts, truths, or principles, as from study or investigation; general erudition: knowledge of many things. |
| 2. | familiarity or conversance, as with a particular subject or branch of learning: A knowledge of accounting was necessary for the job. |
| 3. | acquaintance or familiarity gained by sight, experience, or report: a knowledge of human nature. |
| 4. | the fact or state of knowing; the perception of fact or truth; clear and certain mental apprehension. |
| 5. | awareness, as of a fact or circumstance: He had knowledge of her good fortune. |
| 6. | something that is or may be known; information: He sought knowledge of her activities. |
| 7. | the body of truths or facts accumulated in the course of time. |
| 8. | the sum of what is known: Knowledge of the true situation is limited. |
| 9. | Archaic. sexual intercourse. Compare carnal knowledge. |
| 10. | creating, involving, using, or disseminating special knowledge or information: A computer expert can always find a good job in the knowledge industry. |
| 11. | to one's knowledge, according to the information available to one: To my knowledge he hasn't been here before. |