WordNet sense 1 (of unmixed ancestry):

blooded, full-blood

WordNet sense 2 (bred for many generation from member of a recognized breed or strain):

purebred

WordNet sense 3 (endowed with or exhibiting great bodily or mental health):

hearty, lusty, red-blooded

WordNet sense 4 (having or indicating good health in body or mind; free from infirmity or disease):

healthy