The definition of salutary is something that is good or that is beneficial to your health.
Fresh, clean air is an example of something that would be described as salutary.
Effecting or designed to effect an improvement; remedial.
Favorable to health; wholesome.
A salutary climate.
Promoting or conducive to health; healthful.
Promoting or conducive to some good purpose; beneficial.
Origin of salutary
Middle English saluter from Old French salutaire from Latin salūtāris from salūs salūt- health sol- in Indo-European roots