knowledge
noun
uk/ˈnɒlɪdʒ/ usskill in, understanding of, or information about something, which a person gets by experience or study:
acquire/gain/have knowledge
possess/lack knowledge
People working in stores need better product knowledge.
business/scientific/technical knowledge
deny all/any knowledge of sth The chairman denies all knowledge of any foreign accounts.
Applicants should have a working knowledge of computer-aided design systems.
detailed/extensive/basic knowledge
business/scientific/technical knowledge
to my knowledge (also to the best of my knowledge)
judging from my personal experience and information:
To my knowledge, not one call was made to verify anything in my application for the job.
See also
explicit knowledge
implicit knowledge
tacit knowledge