Definitions:

1. Quality or condition of being genteel, refined, or well-mannered. NOUN
   • His upbringing instilled in him a sense of gentility, evident in his impeccable manners and elegant demeanor.
2. Social superiority as demonstrated by genteel manners, behavior, or apperarances. NOUN
   • The ballroom was filled with an atmosphere of gentility, with guests conversing in hushed tones and moving with graceful poise.

Synonyms:

• breeding
• preeminence
• refinement
• respectability
• social superiority