Definition of Activate

Verb: activate 'ak-ti,veyt

Put in motion or move to act
"activate the circuits";
- trip, actuate, trigger, set off, spark off, spark, trigger off, touch off
Make active or more active
"activate an old file"
Make more adsorptive
"activate a metal"
Aerate (sewage) so as to favour the growth of organisms that decompose organic matter
- aerate
Make (substances) radioactive