pleasantry

From French plaisanterie. Surface etymology is pleasant +‎ -ry

pleasantry (countable and uncountable, plural pleasantries)

1. A casual, courteous remark.
2. A playful remark; a jest.
   • 2014, Daniel Taylor, England and Wayne Rooney see off Scotland in their own back yard (in The Guardian, 18 November 2014)

     Charlie Mulgrew could easily have been shown two yellow cards by a stricter referee and amid all the usual Anglo-Scottish pleasantries, the two sets of fans put an awful lot of effort into trying to drown out one another’s national anthems.

3. (dated) Anything that promotes pleasure or merriment.

• small talk