Source : Webster's Revised Unabridged Dictionary (1913)

Hearty \Heart"y\, n.; pl. {Hearties}.
   Comrade; boon companion; good fellow; -- a term of familiar
   address and fellowship among sailors. --Dickens.

Hearty \Heart"y\, a. [Compar. {Heartier}; superl. {Heartiest}.]
   1. Pertaining to, or proceeding from, the heart; warm;
      cordial; bold; zealous; sincere; willing; also, energetic;
      active; eager; as, a hearty welcome; hearty in supporting
      the government.

            Full of hearty tears For our good father's loss.
                                                  --Marston.

   2. Exhibiting strength; sound; healthy; firm; not weak; as, a
      hearty timber.

   3. Promoting strength; nourishing; rich; abundant; as, hearty
      food; a hearty meal.

   Syn: Sincere; real; unfeigned; undissembled; cordial;
        earnest; warm; zealous; ardent; eager; active; vigorous.

   Usage: {Hearty}, {Cordial}, {Sincere}. Hearty implies honesty
          and simplicity of feelings and manners; cordial refers
          to the warmth and liveliness with which the feelings
          are expressed; sincere implies that this expression
          corresponds to the real sentiments of the heart. A man
          should be hearty in his attachment to his friends,
          cordial in his reception of them to his house, and
          sincere in his offers to assist them.

Source : WordNet®

hearty
     adj 1: showing warm and heartfelt friendliness; "gave us a cordial
            reception"; "a hearty welcome" [syn: {cordial}]
     2: providing abundant nourishment; "a hearty meal"; "good solid
        food"; "ate a substantial breakfast" [syn: {satisfying}, {solid},
         {substantial}]
     3: endowed with or exhibiting great bodily or mental health; "a
        hearty glow of health" [syn: {full-blooded}, {lusty}, {red-blooded}]
     4: consuming abundantly and with gusto; "a hearty (or healthy)
        appetite"
     5: without reservation; "hearty support"
     [also: {heartiest}, {heartier}]