249 - Mediate 

1. [intransitive, transitive]   to try to end a situation between two or more people or groups who disagree by talking to them and trying to find things that everyone can agree on                                                                 (Oxford)

2. [transitive] mediate something to succeed in finding a solution to a problem between people or groups who disagree                                                                         (Oxford)

3. to talk to two separate people or groups involved in a disagreement to try to help them to agree or find a solution to their problems                                                       (Cambridge)

ثالثی کرنا / صلح کرانے کا عمل