- knowledge
- noun (U)
1 the facts, skills, and understanding that you have gained through learning or experience: You need specialist knowledge to do this job.(+ of): His knowledge of ancient civilizations is unrivalled. (+ about): We now have greater knowledge about the risks of using these chemicals.2 in the knowledge that knowing that something has happened or is true: Kay smiled, secure in the knowledge that she was right.3 not to your knowledge spoken used to say that something is not true, based on what you know: "Is it true that she's leaving the company?" "Not to my knowledge."4 information that you have about a particular situation, event etc: in full knowledge of (=knowing all the details of a situation): He acted in full knowledge of the possible consequences. | deny all knowledge of sth (=say that you do not know anything about it): Evans denied all knowledge of the robbery. | come to sb's knowledge formal (=become known about): The incident first came to our knowledge about a fortnight ago. | bring sth to sb's knowledge formal (=give someone information they did not know)5 to the best of your knowledge used to say that you think something is true, although you may not have all the facts: To the best of my knowledge the new project will be starting in June.6 without your knowledge without knowing what is happening: He was annoyed to find the contract had been signed without his knowledge.-see also: general knowledge, common knowledge common 1 (3),, working knowledge working 1 (5)
Longman dictionary of contemporary English. 2004.