elegant -- (refined and tasteful in appearance or behavior or style; "elegant handwriting"; "an elegant dark suit"; "she was elegant to her fingertips"; "small churches with elegant white spires"; "an elegant mathematical solution--simple and precise and lucid")
elegant, graceful, refined -- (suggesting taste, ease, and wealth)
elegant -- (displaying effortless beauty and simplicity in movement or execution; "an elegant dancer"; "an elegant mathematical solution -- simple and precise")