D defs.my
Entry 3 senses Webster, 1913

Vivacity

· Vi·vac·i·ty · IPA /vɪˈvæsɪti/
01 n. The quality or state of being vivacious.
  1. 1.
    The quality or state of being vivacious.
  2. 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. 3.
    Life; animation; spiritedness; liveliness; sprightliness; as, the vivacity of a discourse; a lady of great vivacity; vivacity of countenance.