knowledge

ot noun

1. The fact of knowing about something; general understanding or familiarity with a subject, place, situation etc. His knowledge of Iceland was limited to what he'd seen on the Travel Channel.
2. Intellectual understanding; the state of appreciating truth or information. Knowledge consists in recognizing the difference between good and bad decisions.
3. Familiarity or understanding of a particular skill, branch of learning etc. A secretary should have a good knowledge of shorthand.
4. The total of what is known; all information and products of learning. His library contained the accumulated knowledge of the Greeks and Romans.

fe’l verb

1. To confess as true; to acknowledge.