mitigators

/ˈmɪtɪɡeɪtərz/
noun
  1. Plural of mitigator; people or things that make something less severe, serious, or painful.
    • The community planted trees as mitigators of noise pollution.
    • Several mitigators were brought in to help reduce the impact of the drought.
    • These safety features are important mitigators of risk in the workplace.