ETYM Latin, for stigmulus, akin to Latin instigare to stimulate. Related to Instigare, Stick.
Any agency, such as noise, light, heat, or pressure, that can be detected by an organism's receptors.
(Irregular plural: stimuli).
1. A goad; hence, something that rouses the mind or spirits; an incentive.
2. That which excites or produces a temporary increase of action, especially any substance or agent capable of evoking the activity of a nerve or irritable muscle.
Draž, nadražaj, nagon, potstrek.