classier; classiest or more classy; most classy
1 : having qualities that make someone or something special and attractive
a classy [=fancy, high-class, upscale] hotel
the classiest nightclub in Madrid
The spa boasts some very classy clients.
2 : showing impressive character : very good, kind, etc.
a classy guy
Donating her salary bonus to charity was a really classy thing to do.