Meaning of conciliator in English. conciliator. HR a person who helps two sides in a disagreement, for example employers and employees, to meet and talk about their different ideas in the hope of ending the disagreement: Learn More About conciliator. (mediator) a. conciliator. The conciliator guides the parties through the negotiation and provides creative solutions to help the parties settle the parties. 2. This is the British English pronunciation of conciliatory. That Canon IV.4.1.d is hereby amended to read as follows: