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
Spark
Spark verb - To cause to function.
Usage example: interesting questions that are designed to spark the reader's brain
Mutual synonyms
Both words in one sentence
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If he has superpowers then they may spark and fly about as he tosses restlessly, unable to control them as they activate in his fevered state.
Source: Bad Dreams - When Master Chief and Cortana refuse to activate Halo, Spark tells the Sentinels to "Save his head... dispose of the rest.".
Source: Not-So-Harmless Villain - In both Getter Robo G and its expy Gekiganger 3, the Shine Spark and the Gekigan Flare are forbidden, as the three pilots have to hit a switch at the same time to activate the attack or risk destroying the robot.
Source: Dangerous Forbidden Technique
Cite this Source
Spark and Activate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/activate/spark
Activate & Spark. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/activate/spark>.
Spark or Activate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/activate/spark.
Google Ngram Viewer shows how "activate" and "spark" have occurred on timeline