Impelling cause
Mainspring and impelling cause are semantically related. In some cases you can use "Mainspring" instead a noun phrase "Impelling cause".
Mainspring
Mainspring noun - The most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism.
Impelling cause and mainspring are semantically related. You can use "Impelling cause" instead a noun "Mainspring".
Mutual synonyms
Cite this Source
Mainspring and Impelling cause. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/impelling_cause/mainspring
Impelling cause & Mainspring. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/impelling_cause/mainspring>.
Mainspring or Impelling cause. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/impelling_cause/mainspring.
Google Ngram Viewer shows how "impelling cause" and "mainspring" have occurred on timeline