noun (n)

• an unelaborated elementary awareness of stimulation(noun.cognition)

  Example:
  A sensation of touch.
  

  Synonym:
  aesthesis, esthesis, sense datum, sense experience, sense impression
  

  source: wordnet30
• someone who is dazzlingly skilled in any field(noun.person)

  Synonym:
  ace, adept, champion, genius, hotshot, maven, mavin, star, superstar, virtuoso, whiz, whizz, wiz, wizard
  

  source: wordnet30
• a general feeling of excitement and heightened interest(noun.feeling)

  Example:
  Anticipation produced in me a sensation somewhere between hope and fear.
  

  source: wordnet30
• a state of widespread public excitement and interest(noun.state)

  Example:
  The news caused a sensation.
  

  source: wordnet30
• the faculty through which the external world is apprehended(noun.cognition)

  Synonym:
  sense, sensory faculty, sentience, sentiency
  

  source: wordnet30
• An impression, or the consciousness of an impression, made upon the central nervous organ, through the medium of a sensory or afferent nerve or one of the organs of sense; a feeling, or state of consciousness, whether agreeable or disagreeable, produced either by an external object (stimulus), or by some change in the internal state of the body.(noun)

  source: webster1913