noun
1. stimulation of activity in an organism or chemical
• Ant: ↑inactivation
• Derivationally related forms: ↑activate
• Hypernyms: ↑stimulation
• Hyponyms: ↑indweller
2. the activity of causing to have energy and be active
• Syn: ↑energizing, ↑activating
• Derivationally related forms: ↑energize (for: ↑energizing)
• Hypernyms: ↑activity
• Hyponyms: ↑electrification, ↑vivification, ↑invigoration, ↑animation
3. making active and effective (as a bomb)
• Ant: ↑deactivation
• Derivationally related forms: ↑activate
• Hypernyms: ↑beginning, ↑start, ↑commencement
Useful english dictionary. 2012.