elegance

noun

1. Grace, refinement, and beauty in movement, appearance, or manners.

   “The bride was elegance personified.”

2. Restraint and grace of style.

   “The simple dress had a quiet elegance.”

3. The beauty of an idea characterized by minimalism and intuitiveness while preserving exactness and precision.

   “The proof of the theorem had a pleasing elegance.”

4. A refined quality of gracefulness and good taste

   “she conveys an aura of elegance and gentility”

5. A quality of neatness and ingenious simplicity in the solution of a problem (especially in science or mathematics)

   “the simplicity and elegance of his invention”