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Webster 1913 Edition

adv.

In a manner to please nice taste; with elegance; with due symmetry; richly.

adv.

In a manner to please; with elegance; with beauty; with pleasing propriety; as a composition elegantly written.

With due symmetry; with well formed and duly proportioned parts; as a house elegantly built.

Richly; with rich or handsome materials well disposed; as a room elegantly furnished; a woman elegantly dressed.

elegantly ‎(comparative more elegantly, superlative most elegantly)

Gracefully, smoothly, and swiftly; with supreme style.
- 1977, Agatha Christie, An Autobiography, Part II, chapter4:
  Mind you, clothes were clothes in those days. […] Frills, ruffles, flounces, lace, complicated seams and gores: not only did they sweep the ground and have to be held up in one hand elegantly as you walked along, but they had little capes or coats or feather boas.

gracefully