sprightliness

From sprightly +‎ -ness.

sprightliness (usually uncountable, plural sprightlinesses)

1. The property of being sprightly.
   • 1849 May – 1850 November, Charles Dickens, The Personal History of David Copperfield, London: Bradbury & Evans, […], published 1850, →OCLC:

     ‘Nothing’s the matter, bless you, Master Davy dear!’ she answered, assuming an air of sprightliness.