activation

Use the noun activation to describe the process of turning on or starting something, or energizing someone. A missing cat might inspire the activation of a neighborhood search party.

The activation of a school policy to combat bullying both starts the program up and inspires people to get involved with it. You could also talk about the gradual activation of your sleepy puppy as she wakes up and gets going. Activation comes from the same root as the adjective active, the Latin actus, "a doing, a driving, or an impulse."

Definitions of activation
  1. noun
    the activity of causing to have energy and be active
    synonyms: activating, energizing
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    types:
    electrification
    the activity of thrilling or markedly exciting some person or group
    animation, invigoration, vivification
    the activity of giving vitality and vigour to something
    type of:
    activity
    any specific behavior
  2. noun
    stimulation of activity in an organism or chemical
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    Antonyms:
    inactivation
    the process of rendering inactive
    types:
    indweller
    activation by an inner spirit or force or principle
    type of:
    stimulation
    (physiology) the effect of a stimulus (on nerves or organs etc.)
  3. noun
    making active and effective (as a bomb)
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    Antonyms:
    deactivation, defusing
    the act of deactivating or making ineffective (as a bomb)
    type of:
    beginning, commencement, start
    the act of starting something
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