是generosity:

n. 慷慨，大方；宽宏大量

The owner of this factory was a man of generosity and supported many poor students.

这个工厂老板是一个慷慨的人，资助了很多贫困学生。

We were amazed by his generosity.

他的慷慨令我们喜出望外。

Any sob story moved Jarvis to generosity.

任何人的诉苦能让贾维斯慷慨解囊。

Generosity is part of the American character.

慷慨是美国人性格的一部分。

How can I ever repay you for your generosity

你对我这样慷慨，我怎么才能报答你呢？