Ex-hil/a-rā/tion, n.

n. [Lat. exhilaratio.]

1. The act of enlivening the spirits; the act of making glad or cheerful.
2. The state of being enlivened or cheerful.

Exhilaration hath some affinity with joy, though it be a much lighter motion. Bacon. Syn.—Animation; joyousness; gladness; cheerfulness; gayety.