Voluntarism refers to the act of performing a task or duty without any coercion or promise of reward, but out of one's own free will or choice. There are several synonyms for the word voluntarism that can be employed interchangeably in different contexts. These synonyms include voluntariness, volunteerism, self-determination, autonomy, free will, spontaneousness, and initiative. Each of these words carries its own connotation in terms of motivation, context, and scope of application, but they all share the underlying idea of taking action based on one's own personal choice, rather than being compelled by external factors. Synonyms are useful in broadening one's vocabulary and providing a richer understanding of language.