Activate and Stimulate

Activate

Activate verb - To cause to function.
Usage example: the thermostat is set to activate the heating system only when the temperature drops below 65 degrees

Stimulate is a synonym for activate in activity topic. In some cases you can use "Stimulate" instead a verb "Activate", when it comes to topics like start, start a function.

Stimulate

Stimulate verb - To give life, vigor, or spirit to.
Usage example: research into alternative energy sources has been stimulated by this funding increase

Activate is a synonym for stimulate in encourage topic. You can use "Activate" instead a verb "Stimulate", if it concerns topics such as excite.

Common collocations

ability activate ability stimulate ability
system activate system stimulate system
effect activate effect stimulate effect
powers activate powers stimulate powers
Other words: abilities.
Cite this Source
Stimulate and Activate. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/activate/stimulate
Activate & Stimulate. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/activate/stimulate>.
Stimulate or Activate. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/activate/stimulate.
Google Ngram Viewer shows how "activate" and "stimulate" have occurred on timeline