the conduct by government officials of negotiations and other relations between nations.
2.
the art or science of conducting such negotiations.
3.
skill in managing negotiations, handling people, etc., so that there is little or no ill will; tact: Seating one's dinner guests often calls for considerable diplomacy.
Origin: 1790–1800; < French diplomatie (with t pronounced as s), equivalent to diplomatediplomat + -ie-y3
1796, from Fr. diplomatie, formed from diplomate "diplomat" (on model of aristocratie from aristocrate), from L. adj. diplomaticos, from diploma (gen. diplomatis) "official document conferring a privilege" (see diploma; for sense evolution, see