gentility
n[U]
(approv or ironic 褒或反语) genteel manners and behaviour; social superiority 文雅风度; 彬彬有礼; 高贵的社会地位或身分
He thinks fine clothes are a mark of gentility. 他认为衣著讲究是身分高贵的标志.
So, celebrate your success, and invite your parents to celebrate with you, however hard it may be for them. If you continue to be excited about your future, you may come to educate your parents in the same way.