What is another word for mainspring?
Pronunciation: [mˈe͡ɪnspɹɪŋ] (IPA) 
Mainspring, which refers to the main power source and force behind an action or process, has a variety of synonyms that can be used to add diversity and flavor to one's vocabulary. Some of the synonyms for the word mainspring include engine, driving force, motivator, instigator, catalyst, and impetus. These words can be used interchangeably with mainspring depending on the context and level of formality needed. For example, the driving force behind the project could be considered its mainspring, while the impetus for a decision could be seen as the catalyst that sets a change in motion. With these synonyms in mind, writers and speakers can enhance their language skills and convey their ideas more effectively.
