n. Something that excites or stimulates; a stimulant
the GNU version of the Collaborative International Dictionary of English
adj. Tending to excite; exciting.
n. An agent or influence which arouses vital activity, or produces increased action, in a living organism or in any of its tissues or parts; a stimulant.
The Century Dictionary and Cyclopedia
Tending to excite; exciting.
n. That which excites or rouses to action or increased action; specifically, in therapeutics, whatever produces, or is fitted to produce, increased action in any part of a living organism.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a drug that temporarily quickens some vital process
adj. (of drugs e.g.) able to excite or stimulate
Word Usage
"Fraenaet stimuli animi, velut in mari quaedam aurae leves, quaedam placidae, quaedam turbulentae: sic in corpore quaedam affectiones excitant tantum, quaedam ita movent, ut de statu judicii depellant."