Definition of: demonstrate

(dem′ən·strāt) v. ·strat·ed, ·strat·ing v.t.
1. To explain or describe by use of experiments, examples, etc.
2. To explain the operation or use of.
3. To prove or show to be by logic; make evident.
4. To exhibit; make clear, as emotions.
—v.i.
5. To take part in a public demonstration.
6. To make a show of military force. [<L demonstratus, pp. of demonstrare <de- completely + monstrare show, point out]