Noun

• S: (n) activation (stimulation of activity in an organism or chemical)
• S: (n) energizing, activating, activation (the activity of causing to have energy and be active)
• direct hyponym / full hyponym
• S: (n) electrification (the activity of thrilling or markedly exciting some person or group)
• S: (n) vivification, invigoration, animation (the activity of giving vitality and vigour to something)
• direct hypernym / inherited hypernym / sister term
• S: (n) activity (any specific behavior) "they avoided all recreational activity"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• antonym
• derivationally related form
• W: (adj) active [Related to: activity] (taking part in an activity) "an active member of the club"; "he was politically active"; "the participating organizations"
• W: (adj) active [Related to: activity] (in operation) "keep hope alive"; "the tradition was still alive"; "an active tradition"
• derivationally related form
• S: (n) activation (making active and effective (as a bomb))