From The Collaborative International Dictionary of English v.0.48 [gcide]:
2. Direct apprehension or cognition; immediate knowledge, as in perception or consciousness; -- distinguished from "mediate" knowledge, as in reasoning; as, the mind knows by intuition that black is not white, that a circle is not a square, that three are more than two, etc.; quick or ready insight or apprehension.
5. The ability to have insight into a matter without conscious thought; as, his chemical intuition allowed him to predict compound conformations without any conscious calculation; a mother's intuition often tells her what is best for her child. [PJC]
From WordNet (r) 3.0 (2006) [wn]:
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