conciliative
/ˌkɑnsɪlɪˈeɪtɪv/Definitions
1. adjective
Tending to promote reconciliation or to make people more willing to compromise or agree with each other.
“The conciliative approach of the mediator helped to diffuse the tension in the negotiations.”
2. noun
A conciliative action or measure.
“The government’s conciliative policies were seen as a way to appease the protesters.”