activate
verb
[ ˈaktɪveɪt ]
• make (something) active or operative.
• "fumes from cooking are enough to activate the alarm"
Similar:
operate,
switch on,
turn on,
start,
start off,
start up,
set going,
get going,
trigger off,
trigger,
trip,
set in motion,
actuate,
initiate,
initialize,
energize,
animate,
Opposite:
switch off,