A person, device or substance that stimulates.

plural of stimulator

Having a stimulating effect.

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

plural of stimulant

The state or quality of being stimulative.

The condition of being stimulable

Able to be stimulated.

(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.

plural of stimulative