witness

witness (http://definr.com/witness)

     n 1: someone who sees an event and reports what happened [syn: witnesser,
           informant]
     2: a close observer; someone who looks at something (such as an
        exhibition of some kind); "the spectators applauded the
        performance"; "television viewers"; "sky watchers
        discovered a new star" [syn: spectator, viewer, watcher,
         looker]
     3: testimony by word or deed to your religious faith
     4: (law) a person who attests to the genuineness of a document
        or signature by adding their own signature [syn: attestant,
         attestor, attestator]
     5: (law) a person who testifies under oath in a court of law
     v 1: be a witness to
     2: perceive with any or all of one's senses; "We found
        Republicans winning the offices"; "You'll see a lot of
        cheating in this school"; give rise to or be characterized
        by; "The 1960 saw the rebellion of the younger generation
        against established traditions"; "I want to see results"
        [syn: find, see]