Noah Webster's New International Dictionary of the English Language

1. (superl.) 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.

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

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

4. (n.) Comrade; boon companion; good fellow; -- a term of familiar address and fellowship among sailors.