noun

1. physical and mental well-being; freedom from disease, pain, or defect; normalcy of physical and mental functions; soundness
2. condition of body or mind good or bad health
3. a wish for a person's health and happiness, as in drinking a toast
4. soundness or vitality, as of a society

Etymology: ME helthe < OE hælth < base of hal, sound, healthy (see hale, whole) + -th