vivacity

vivacity is a   Noun

Definition:

[1] The quality or state of being vivacious. Specifically: --

[2] 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.

[3] Life; animation; spiritedness; liveliness; sprightliness; as, the vivacity of a discourse; a lady of great vivacity; vivacity of countenance.

Synonyms: