/ Thesaurus / A Synonyms of activation Find synonyms for: Noun1. activation, stimulationusage: stimulation of activity in an organism or chemical2. energizing, activating, activation, activityusage: the activity of causing to have energy and be active3. activation, beginning, start, commencementusage: making active and effective (as a bomb)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language