Associations to the word «Stimulus»

Wiktionary

STIMULUS, noun. (Can we clean up([1]) this sense?) Anything that may have an impact or influence on a system.
STIMULUS, noun. (Can we clean up([1]) this sense?) (physiology) Something external that elicits or influences a physiological or psychological activity or response.
STIMULUS, noun. (Can we clean up([1]) this sense?) (psychology) Anything effectively impinging upon any of the sensory apparatuses of a living organism, including physical phenomena both internal and external to the body.
STIMULUS, noun. (Can we clean up([1]) this sense?) Anything that induces a person to take action.

Dictionary definition

STIMULUS, noun. Any stimulating information or event; acts to arouse action.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats