Heartily /(härt"ĭ*ly̆)/

Heart·i·ly

Heartily

adv.
  1. From the heart; with all the heart; with sincerity.
    I heartily forgive them.
  2. With zeal; actively; vigorously; willingly; cordially; as, he heartily assisted the prince.

Phrases & Compounds
To eat heartily
to eat freely and with relish.