The noun 'stimulus' has its etymological origins in Latin. It is derived from the Latin word 'stimulus,' which means 'goad' or 'spur.' This Latin term was associated with a pointed instrument, such as a stick or a goad, used to prod or stimulate animals to move or react. Over time, the word 'stimulus' came to represent anything that provokes or elicits a response, reaction, or change in an organism or system. Its etymology vividly captures the concept of incitement and urging, much like the ... A stimulus is something that causes or elicits a response in an organism or a situation. Learn the different types, meanings, and uses of stimulus in various fields, such as psychology, physiology, and economics. The meaning of STIMULUS is something that rouses or incites to activity. How to use stimulus in a sentence. Learn the meaning, pronunciation and usage of the word stimulus, which can be a noun for something that helps or produces a reaction. Find out how to use stimulus in different contexts, such as economics, biology and language.