felicific
/ˌfiːlɪˈsɪfɪk/adjective
- Ethics relating to or promoting increased happiness【伦理】事关幸福的; 造福的, 带来幸福的：
the institution of a rule against murder is in general felicific.
制定反凶杀条例总体而言是造福大众的。
词源
mid 19th cent.: from Latin felicificus, from felix, felic- 'happy'.