What does "pleasantry" mean?

Pleasantry: That which denotes or promotes pleasure or good humor; cheerfulness; gayety; merriment; especially, an agreeable playfulness in conversation; a jocose or humorous remark; badinage. The grave abound in pleasantries, the dull in repartees and points of wit. Addison. The keen observation and ironical pleasantry of a finished man of the world. Macaulay.