ACTIVATE

Definition

1. verb put in motion or move to act. — synonyms: trip, actuate, trigger, set_off, spark_off, spark, trigger_off, touch_off
2. verb make active or more active.
3. verb make more adsorptive.
4. verb aerate (sewage) so as to favor the growth of organisms that decompose organic matter. — synonyms: aerate
5. verb make (substances) radioactive.