1. Conducive to good health of body or mind
   "a healthful climate"; "a healthful environment"; "healthful nutrition"; "healthful sleep"; "Dickens's relatively healthful exuberance" 
2. Free from filth and pathogens
   - sanitary

See also: alterative, anthelminthic, anthelmintic, antimicrobial, antimicrobic, antiseptic, carminative, cathartic, curative, drugless, flatus-relieving, good, healing, healthfulness, helminthic, hygienic, hygienical, medicative, medicinal, officinal, organic, orthomolecular, parasiticidal, preventative, preventive, prophylactic, psychotherapeutic, recuperative, remedial, restorative, salutary, sanative, sanatory, therapeutic, wholesome

Antonym: unhealthful

Encyclopedia: Healthful

• brain mushroom
• brain science
• brain sugar
• brain surgeon
• brain surgery
• brain trust
• brain truster
• brain tumor
• brain tumour
• brain-fag
• brain-teaser
• brainbox
• braincase
• class Asteroidea
• class Aves
• class Bacillariophyceae
• class Basidiomycetes
• class Bivalvia
• class Bryopsida
• class Cephalopoda
• class Cestoda
• class Channidae
• class Charophyceae
• class Chilopoda
• class Chlorophyceae