ACTIVATION /æktɪˈveɪʃən/ Scrabble 15 Words With Friends 18 Definition noun stimulation of activity in an organism or chemical. noun the activity of causing to have energy and be active. — synonyms: energizing, activating noun making active and effective (as a bomb). Anagrams of ACTIVATION cavitation See all 123 words you can make from ACTIVATION → 10-letter words Words starting with A Words ending with N ← Unscramble different letters