disinflame
/ˌdɪsɪnˈflæm/Definitions
1. verb
to reduce or remove the quality of being inflamed, or to reduce the intensity of strong emotions or passions
“The fire chief worked to disinflame the angry crowd after the building caught fire.”
2. noun
the process of reducing the intensity of strong emotions or passions
“Disinflame is a crucial step in conflict resolution, as it helps people to calm down and think more clearly.”