Soignee
Part of speech: adjective
Definition: Showing elegance and sophistication.
Elegant
Part of speech: adjective
Definition: Characterized by or exhibiting elegance.
Example sentence: If you listen to the great Beatle records, the earliest ones where the lyrics are incredibly simple. Why are they still beautiful? Well, they're beautifully sung, beautifully played, and the mathematics in them is elegant. They retain their elegance.