(medicine, obsolete) The theory of medical practice which regarded life as dependent upon stimulation, or excitation, and disease as caused by excess or deficiency in the amount of stimulation.

To encourage into action. / To arouse an organism to functional activity.

(pharmacology) A substance that acts to increase physiological or nervous activity in the body. / Something that promotes activity, interest, or enthusiasm.

(pharmacology) Acting as a stimulant.

plural of stimulant

plural of stimulator

Having a stimulating effect.

(obsolete) Something having a stimulating effect; a stimulant, an incentive.

simple past tense and past participle of stimulate

In a condition or state of stimulation.