The Oxford Thesaurus An A-Z Dictionary of Synonyms - knowledge n.

1) knowing, awareness, apprehension, cognition, grasp, understanding, discernment, consciousness, conception, insight: Miles's knowledge of history is extensive. 2) facts, information, data, intelligence: They had no knowledge of any defections to the enemy. 3) acquaintance, acquaintanceship, familiarity, appreciation, conversance, expertise, experience, adeptness, proficiency: Has he any knowledge of their work on the DNA molecule? 4 schooling, education, scholarship, instruction, learning, erudition: A little knowledge is a dangerous thing.