risibility

risibility [ˌriziˈbiliti] n.

1. ■ 可笑性, 笑的能力

2. ■ 笑癖; 幽默感

3. ■ [美][pl. ]对可笑事物的敏感性

He must try to keep down his -ties. 他必须控制随时可能发笑的怪癖。