activate

To activate something is to start it off, trigger it, or set it in motion. A villain in a late-night movie might say, “Activate the robot chickens!” And then you’re free to activate your remote and change the channel.

To activate something is to make it active. It’s not just for bad guys — when you activate a credit or library card, you can start using it. When a coach activates a player on a sports team, the player enters the game. If someone activates a bomb, you should run. If the pancakes you’re cooking burst into flames, you’ll probably activate the smoke alarm. And you should run.

Definitions of activate
1

v put in motion or move to act

Synonyms:
actuate, set off, spark, spark off, touch off, trigger, trigger off, trip
Type of:
initiate, pioneer
take the lead or initiative in; participate in the development of

v make active or more active

activate an old file”
Antonyms:
deactivate, inactivate
make inactive
Types:
reactivate
activate (an old file) anew
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v aerate (sewage) so as to favor the growth of organisms that decompose organic matter

Synonyms:
aerate
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v make more adsorptive

activate a metal”
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v make (substances) radioactive

Type of:
alter, change, modify
cause to change; make different; cause a transformation

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