/ ˈsæljətri; NAmE -teri/ adjective
having a good effect on sb/sth, though often seeming unpleasant :
a salutary lesson / experience / warning
The accident was a salutary reminder of the dangers of climbing.
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WORD ORIGIN
late Middle English (as a noun in the sense remedy ): from French salutaire or Latin salutaris , from salus , salut- health.