Which word can be defined as "reducing or offsetting the unwelcome effects of something"?

Question

Quizplus · Accepted Answer

Compensatory: reducing or offsetting the unwelcome effects of something
The lawyer was seeking compensatory damages on behalf of the plaintiff. She wanted to make sure her client received money for the pain they experienced due to the defendant's negligence.
Aseptic means "free of pathogenic microorganisms". In other words, free of any kind of microorganism that could cause an infection.
Sterile means "free of any microorganisms". This includes microorganisms that cause an infection as well as microorganisms that are completely harmless or even 'good'.
Sustainable means "able to be continued for a long time". Something is sustainable if you can sustain it for a long time.

Which Word Can Be Defined as "Reducing or Offsetting the Unwelcome