dis·cov·er / disˈkəvər/ • v. [tr.] 1. find (something or someone) unexpectedly or in the course of a search: firemen discovered a body in the debris | she discovered her lover in the arms of another woman. ∎  become aware of (a fact or situation): the courage to discover the truth and possibly be disappointed | it was a relief to discover that he wasn't in. ∎  be the first to find or observe (a place, substance, or scientific phenomenon): Fleming discovered penicillin early in the twentieth century. ∎  perceive the attractions of (an activity or subject) for the first time: a teenager who has recently discovered fashion. ∎  be the first to recognize the potential of (an actor, singer, or musician): I discovered the band back in the mid 70s.2. archaic divulge (a secret): they contain some secrets which Time will discover. ∎  disclose the identity of (someone): she at last discovered herself to me. ∎  display (a quality or feeling): with what agility did these military men discover their skill in feats of war.DERIVATIVES: dis·cov·er·a·ble adj.dis·cov·er·er n.

discover disclose to knowledge XIII; reveal, exhibit; †uncover XIV; find out XVI. — OF. descovrir (mod. découvrir) :- late L. discooperīre, f. DIS- 2 + cooperīre COVER.
Hence discovery XVI.