What is the meaning of sensation?

noun

• An unelaborated elementary awareness of stimulation.
  • usage: "a sensation of touch"
  • synonyms: esthesis, aesthesis, sense experience, sense impression, sense datum
• Someone who is dazzlingly skilled in any field.
  • synonyms: ace, adept, champion, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz
• A general feeling of excitement and heightened interest.
  • usage: "anticipation produced in me a sensation somewhere between hope and fear"
• A state of widespread public excitement and interest.
  • usage: "the news caused a sensation"
• The faculty through which the external world is apprehended.
  • usage: "in the dark he had to depend on touch and on his senses of smell and hearing"
  • synonyms: sense, sentience, sentiency, sensory faculty