1. [ noun ] the activity of causing to have energy and be active
Synonyms: activating energizing
Related terms: activity electrification vivification excite
2. [ noun ] (physiology) stimulation of activity in an organism or chemical
Related terms: inactivation stimulation indweller trip activate
3. [ noun ] making active and effective (as a bomb)
Related terms: deactivation beginning activate
Similar spelling:   activating