Merriam-Webster's Collegiate® Dictionary, 11th Edition
HEARTY
I. adjective (heartier; -est)
Date: 14th century
1. giving unqualified support , enthusiastically or exuberantly cordial ; jovial , expressed unrestrainedly,
2. exhibiting vigorous good health, b. having a good appetite, abundant, rich, or flavorful enough to satisfy the appetite, vigorous , vehement , see: sincere heartiness noun
II. noun (plural hearties)
Date: 1803
a hearty fellow