classy

A classy person or thing has style and good taste.

When people say that someone or something is classy, they usually mean it's elegant and refined. You might hear that a high-end restaurant is classy because of its beautiful decorations and fine food. A woman wearing designer clothes to a formal event could also be described as classy. Even if you're not sure what "classy" means, you can often tell by the context – people tend to use it to describe things that are considered sophisticated or cultured.