to activateverb/ɐ.ti.ˈvaɾ/mediuma·ti·varPortuguesEnglishEspanolFrancaisDefinitionTo make active or functional; to put into action.You need to activate the software with the license key.The sensor activates the lights when it gets dark.synturn onenabletriggerantdeactivateturn offdisableCommon collocationsto activate an accountto activate a featureEtymologyDo latim 'activare'.Related wordsativoativaçãoreativardesativarativador