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Webster 1828 Edition

adv.

With good taste.

tastefully ‎(comparative more tastefully, superlative most tastefully)

In a tasteful manner
- 1900, Charles W. Chesnutt, The House Behind the Cedars, Chapter I,
  He could see that she was tastefully, though not richly, dressed, and that she walked with an elastic step that revealed a light heart and the vigor of perfect health. Her face, of course, he could not analyze, since he had caught only the one brief but convincing glimpse of it.