Stimulant

stim′ū-lant, adj. stimulating: increasing or exciting vital action.— n. anything that stimulates or excites: a stimulating medicine that increases the activity of the vital functions generally, or of one system or organ.— v.t. Stim′ulāte , to prick with anything sharp: to incite: to instigate: ( physiol. ) to produce increased action in.— n. Stimulā′tion , act of stimulating, or condition of being stimulated.— adj. Stim′ulātive , tending to stimulate.— n. that which stimulates or excites.— ns. Stim′ulātor , one who stimulates:— fem. Stim′ulātre ; Stim′ulism , the practice of treating diseases by stimulation; Stim′ūlus , a goad: anything that rouses the mind, or that excites to action: a stimulant:— pl. Stim′ulī . [L. stimulus (for stigmulus )—Gr. stizein , to prick.]