Vivacity
Pronunciation : Vi*vac"i*ty
Part of Speech : n.
Etymology : [L. vivicitas: cf. F. vivacit?.]
Definition : Defn: The quality or state of being vivacious. Specifically: -- (a) Tenacity of life; vital force; natural vigor. [Obs.] The vivacity of some of these pensioners is little less than a miracle, they lived so long. Fuller.
(b) Life; animation; spiritedness; liveliness; sprightliness; as, the vivacity of a discourse; a lady of great vivacity; vivacity of countenance.
Syn. -- Liveliness; gayety. See Liveliness.
Source : Webster's Unabridged Dictionary, 1913