Impetus
Impetus noun - Something that arouses action or activity.
Usage example: the reward money should be sufficient impetus for someone to come forward with information about the robbery
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Synonyms for Impetus
Impulse
Impulse noun - Something that arouses action or activity.
Usage example: the new auto factory was just the impulse that the local economy needed
Impetus is a synonym for impulse in force topic. You can use "Impetus" instead a noun "Impulse", if it concerns topics such as cause, throb, goad, incentive. popular alternative
Mutual synonyms
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Impulse and Impetus. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impetus/impulse
Impetus & Impulse. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impetus/impulse>.
Impulse or Impetus. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impetus/impulse.
Google Ngram Viewer shows how "impetus" and "impulse" have occurred on timeline