ˈæktɪˌveɪt ˈæktʃu.eɪt ˈæktʃu.eɪt ˈtɹɪɡə ˈtɹɪɡɚ tɹɪp

make active or more active activate an old file make (substances) radioactive aerate (sewage) so as to favor the growth of organisms that decompose organic matter make more adsorptive activate a metal put in motion or move to act trigger a reaction actuate the circuits