classy

What it means

1. Elegant, highly stylish or fashionable.

   That's a very classy outfit you're wearing.

   Synonyms: à la mode, chic, cool, dapper, trendy

2. Of a superior type; especially, exhibiting admirable personal qualities.

   Ignoring his coarse insults was a classy response.

   1 more example

   Manchester City put the Carlos Tevez saga behind them with a classy victory at Blackburn that keeps them level on points with leaders Manchester United.

   2011 October 1, David Ornstein, “Blackburn 0 - 4 Man City”, in BBC Sport

In a sentence

That's a very classy outfit you're wearing.

Where it comes from

From class + -y. Piecewise doublet of classic.