Activity considered appropriate on social occasions(noun)
WordNet. Princeton University. 2010.
Use "social activity" in a sentence
"Carstensen’s theory and new research reveal that reducing their social activity and novel experiences show the elderly to be discriminating among choices that allow them to live more emotionally satisfying lives.3,4,5,6,7,8,9"
"During my struggle for existence in Vienna, it had become clear to me that social activity must never and on no account be directed toward philanthropic flim-flam, but rather toward the elimination of the basic deficiencies in the organization of our economic and cultural life that must - or at all events can - lead to the degeneration of the individual."