healthful adjective3 •Beneficial to bodily health.Hockey is an exciting and healthful form of exercise, well suited to college students […] — 1906 •Conducive to moral or spiritual prosperity; salutary.As he had been thinking for months about leaving his wife and had not done it because it would be too cruel to deprive her of himself, her departure was a very healthful shock. — 1926 •(no longer used) Synonym of healthy (“evincing health”). formshealthfuller · more healthful · healthfullest · most healthful