gentility

noun
1
very good manners and behaviour; the fact of belonging to a high social class
نزاکت, رفتار نجیبانه, اشراف‌زادگی, نزاکت و ادب, رفتار طبقه بالا
2
the fact of being quiet and old-fashioned
نجابت, متانت
the faded gentility of the town