good offices

singular good office

1. pluralplural normallyThe beneficial services and acts of a third party, particularly mediation between two parties in a dispute.

   1 more example

   Marshall’s concern over Russia was to prove itself not without foundation. The Russians were already exploring areas along the Amur River, and only seven years after Marshall’s warning, Russia acquired an important tract of land between the Ussuri and the sea (including the city of Hai-ts’an-wei^([sic – meaning Hai-shen-wei]), later changed to Vladivostok) as a reward for her good offices during the Anglo-French Chinese war of 1858-60.

   1964, Tong Tekong, “The Marshall Mission and Its Failure”, in United States Diplomacy in China, 1844-60, Seattle: University of Washington Press, →LCCN, →OCLC, pages 130–131

   Synonyms: office, kindness, service