Noah Webster's New International Dictionary of the English Language
1. (superl.) Tending to promote health; favoring health; salubrious; salutary.
2. (superl.) Contributing to the health of the mind; favorable to morals, religion, or prosperity; conducive to good; salutary; sound; as, wholesome advice; wholesome doctrines; wholesome truths; wholesome laws.
3. (superl.) Sound; healthy.