Webster's English Dictionary

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knowledge

knowl.edge \'na:l-ij\ n [ME knowlege, fr. knowlechen to acknowledge, irreg. 
   fr. knowenX obs  1: COGNIZANCE  2a1: the fact or condition of knowing 
   something with familiarity gained thr ough experience or association 2a2: 
   acquaintance with or understanding of a science, art, or technique  2b1: 
   the fact or condition of being aware of something  2b2: the range of one's 
   information or understanding  2c: the fact or condition of apprehending 
   truth or fact : COGNITION  2d: the fact or condition of having information 
   or of being learned  archaic  3: SEXUAL INTERCOURSE  4a: the sum of what is 
   known : the body of truth, information, and princi ples acquired by mankind 
   archaic  4b: a branch of learning