gentilesse

noun

gen·​ti·​lesse ˌjen-tə-ˈles 

: decorum of conduct befitting a member of the gentry

Word History

Etymology

Middle English, "aristocratic birth, ideal characteristics of the wellborn," borrowed from Anglo-French, from gentil gentle entry 1 + -esse, suffix of abstract nouns (going back to Latin -itia)

First Known Use

14th century, in the meaning defined above