Vivacity
Vivacity , noun
[Latin vivicitas: compare French vivacité.]
The quality or state of being vivacious.
(a)
Tenacity of life; vital force; natural vigor. [Obsolete]
The vivacity of some of these pensioners is little less than a miracle, they lived so long.
(b)
Life; animation; spiritedness; liveliness; sprightliness; as, the vivacity of a discourse; a lady of great vivacity; vivacity of countenance.