sportiveness

/ˈspɔːrtɪvnəs/
noun
  1. The quality of being playful, lively, or fond of fun.
    • The sportiveness of the young lambs delighted everyone on the farm.
    • The coach encouraged a sense of sportiveness during warm-ups to keep the team relaxed.
    • Her natural sportiveness made her a favorite among the children at the party.
Antonyms