noun (n)

• stimulation of activity in an organism or chemical

  pendorong aktivitas di makhluk atau kimia

  Antonym:
  inactivation
  

  source: wordnet30
• the activity of causing to have energy and be active

  aktivitas menyebabkan memiliki energi dan aktif

  Synonym:
  activating, energizing
  

  source: wordnet30
• making active and effective (as a bomb)

  membuat aktif dan berkesan (seperti bom)

  Antonym:
  deactivation, defusing
  

  source: wordnet30