Noun knowledge has 1 sense
  1. cognition, knowledge, noesis - the psychological result of perception and learning and reasoning
    --1 is a kind of psychological feature
    --1 has particulars:
     mind, head, brain, psyche, nous; place; public knowledge, general knowledge; episteme; ability, power; inability; lexis; vocabulary, lexicon, mental lexicon; practice; cognitive factor; equivalent; process, cognitive process, mental process, operation, cognitive operation; process, unconscious process; perception; structure; content, cognitive content, mental object; information; history; attitude, mental attitude