Noah Webster's New International Dictionary of the English Language

1. (v. t.) To call to activity in any way; to rouse to feeling; to kindle to passionate emotion; to stir up to combined or general activity; as, to excite a person, the spirits, the passions; to excite a mutiny or insurrection; to excite heat by friction.

2. (v. t.) To call forth or increase the vital activity of an organism, or any of its parts.