: the quality of being magnanimous : loftiness of spirit enabling one to bear trouble calmly, to disdain meanness and pettiness, and to display a noble generosity He had the magnanimity to forgive her for lying about him. (Merriam-Webster)

I came across this word in chapter one of Quicksand: “It was now a showplace in the black belt, exemplification of the white mans magnanimity, refutation of the black mans inefficiency.”