What is the quality or qualities appropriate to those who are well born, as self-respect, dignity, courage, courtesy, politeness of manner, a graceful and easy mien and behavior, etc.; good breeding called?

gentility — The quality or qualities appropriate to those who are well born, as self-respect, dignity, courage, courtesy, politeness of manner, a graceful and easy mien and behavior, etc.; good breeding. (Webster's 1913.)