heartily Meaning, Definition & Usage

  1. adverb with gusto and without reservation
    • the boy threw himself heartily into his work
  2. adverb in a hearty manner
    cordially; warmly.
    • `Yes,' the children chorused heartily
    • We welcomed her warmly

WordNet

Heart"i*ly adverb
Etymology
From Hearty.
Definitions
  1. From the heart; with all the heart; with sincerity.
    I heartily forgive them. Shak.
  2. With zeal; actively; vigorously; willingly; cordially; as, he heartily assisted the prince. Addison. Syn. -- Sincerely; cordially; zealously; vigorously; actively; warmly; eagerly; ardently; earnestly.

Webster 1913