Nancy comes from what we call the aristocracy.
Middleton is not from an aristocratic background.
the privileged classes called the aristocracy
When it comes to aristocrats, even the way of speaking is different.
they behaved aristocratically
a title used to address any peeress except a duchess
the aristocracy
The aristocrat clings to the glory of his past.
a person belonging to the social class called the new poor
His dress somehow gives an aristocratic impression.