overt /(ō*vẽrt" [or] ō"vẽrt)/

o·vert

overt

a.
  1. Open to view; public; apparent; manifest. Opposite of hidden.
    Overt and apparent virtues bring forth praise.
  2. Not covert; open; public; manifest; as, an overt act of treason. (Law)
    No person shall be convicted of treason unless on the testimony of two witnesses to the same overt act, or on confession in open court.