Thayer's Greek Lexicon

 1. to behold, look upon, view attentively, contemplate (often
used of public shows)
  1) of important persons that are looked on with admiration
2. to view, take a view of
  1) in the sense of visiting, meeting with a person
3. to learn by looking, to see with the eyes, to perceive

For Synonyms see entry G5848