élégance

/e.le.ɡɑ̃s/
1.
nounfeminine

refined style, grace, or tasteful sophistication in appearance, behavior, or design

J'aime l'élégance de sa tenue : c'est discret mais parfaitement soigné.

I love the elegance of her outfit: it's understated but perfectly neat.

Synonyms:classe, chic, raffinement, goût, maintien
2.
nounfeminine

the quality of being simple, clever, and effective (of a solution, argument, demonstration, etc.)

L'élégance de sa démonstration tient à sa simplicité et sa clarté.

The elegance of his proof lies in its simplicity and clarity.

Synonyms:finesse, simplicité, ingéniosité, clarté
élégance - French Definition & Examples