adjective

1. characterized by dignified richness and grace, as of design, dress, style, etc.; luxurious or opulent in a restrained, tasteful manner
2. characterized by a sense of propriety or refinement; impressively fastidious in manners and tastes
3. marked by concision, incisiveness, and ingenuity; cleverly apt and simple an elegant solution to a complex problem
4. Informal excellent; fine; first-rate

Etymology: Fr élégant < L elegans prp. of *elegare < e-, out + *legare, var. of legere, to choose: see logic