1facts, information, and skills acquired through experience or education; the theoretical or practical understanding of a subject:a thirst for knowledgeher considerable knowledge of antiques
the sum of what is known:the transmission of knowledge
information held on a computer system.
Philosophy true, justified belief; certain understanding, as opposed to opinion.
2awareness or familiarity gained by experience of a fact or situation:the programme had been developed without his knowledgehe denied all knowledge of the incidents
3 archaic sexual intercourse.
come to someone's knowledge
become known to someone.
to (the best of) someone's knowledge
as far as someone knows; judging from the information someone has:the text is free of factual errors, to the best of my knowledge
