stimulus
Pronunciation:
/ˈstɪm.jə.ləs/noun
Definitions
Any external phenomenon that has an influence on a system, by triggering or modifying an internal phenomenon.
Example: an economic stimulus
Something external that elicits or influences a physiological or psychological activity or response.
Anything effectively impinging upon any of the sensory apparatuses of a living organism, including physical phenomena both internal and external to the body.
Anything that induces a person to take action.