sociability

/S OW1 SH AH0 B IH1 L IH0 T IY0/
noun
  1. 1

    The skill, tendency or property of being sociable or social, of interacting well with others

    โ€œHe was a true introvert, and his sociability lagged behind others of his age in the school.โ€

Source: https://en.wiktionary.org/wiki/sociability