Skip to Content
Medical Term:


Pronunciation: stim'yu-lant


  1. Stimulating; exciting to action.
  2. An agent that arouses organic activity, strengthens the action of the heart, increases vitality, and promotes a sense of well-being; classified according to the parts on which they chiefly act: cardiac, respiratory, gastric, hepatic, cerebral, spinal, vascular, genital.

Synonym(s): excitor, stimulator

[L. stimulans, pres. p. of stimulo, pp. -atus, to goad, incite, fr. stimulus, a goad]

See Also: stimulus

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.