English to English

adjective satellite (s)

• having very keen vision(adj.all)

  Example:
  Quick-sighted as a cat.
  

  Synonym:
  argus-eyed, hawk-eyed, keen-sighted, lynx-eyed, sharp-eyed, sharp-sighted
  

  source: wordnet30
• keenly perceptive or alert(adj.all)

  Example:
  Quick-sighted into the faults of the time.
  

  Synonym:
  sharp-eyed, sharp-sighted
  

  source: wordnet30