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Webster 1913 Edition

adv.

In an ample manner.

adv.

Largely; liberally; fully; sufficiently; copiously; in a diffusive manner.

amply ‎(comparative more amply, superlative most amply)

In an ample manner.
- 1902, Sir Arthur Conan Doyle, The Great Boer War, ch. 36,
  If, during his long persecution by President Kruger, Wools-Sampson in the bitterness of his heart had vowed a feud against the Boer cause, it must be acknowledged that he has most amply fulfilled it.

in an ample manner