OCCULT

I. transitive verb Etymology: Latin ~are, frequentative of occulere Date: 1500 to shut off from view or exposure ; cover , eclipse , ~er noun II. adjective see: ob- Date: 1533 not revealed ; secret , not easily apprehended or understood ; abstruse , mysterious , hidden from view ; concealed, of or relating to the ~, not manifest or detectable by clinical methods alone , ~ly adverb III. noun Date: 1923 matters regarded as involving the action or influence of supernatural or supernormal powers or some secret knowledge of them