Healthful signifies promotive of health, tending or adapted to confer, preserve, or promote health; as, a healthful climate. Wholesome food in a healthful climate makes a healthy man.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

healthy Sports make us healthy in mind as well as in body.
wholesome Tom is the most wholesome person you'll ever meet.
salutary Releasing anger can be salutary.
salubrious Tom had to move to a less salubrious neighborhood.
restorative Include restorative yoga for relaxation and recovery.
curative The brain is the center of all curative energy.

Popularity over time

Word	1850 → 2019	Trend
healthful		steady
healthy		rising
wholesome		steady
salutary		falling
salubrious		steady
restorative		rising

Use in printed books, per decade from 1850 to 2019.

By length

4 letters: good¹
7 letters: healthy²
8 letters: sanitary⁴, remedial⁴, hygienic, curative³, salutary⁴, sanative
9 letters: wholesome²
10 letters: salubrious
11 letters: restorative⁴
12 letters: prophylactic⁴

The small number after each word is its number of syllables (healthy² = 2 syllables).