Diplomacy

n. management of international relations; tact

Diplomacy is the art and practice of conducting negotiations between representatives of groups or states. It usually refers to international diplomacy, the conduct of international relations through the intercession of professional diplomats with regard to issues of peace-making, trade, war, economics and culture. International treaties are usually negotiated by diplomats prior to endorsement by national politicians.
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Noun
1. negotiation between nations
(synonym) diplomatic negotiations
(hypernym) negotiation, dialogue, talks
(hyponym) dollar diplomacy
(class) convention
2. subtly skillful handling of a situation
(synonym) delicacy, discreetness, finesse
(hypernym) tact, tactfulness
3. wisdom in the management of public affairs
(synonym) statesmanship, statecraft
(hypernym) wisdom, wiseness

(n.)
The body of ministers or envoys resident at a court; the diplomatic body.
  

(n.)
The art and practice of conducting negotiations between nations (particularly in securing treaties), including the methods and forms usually employed.
  

(n.)
Dexterity or skill in securing advantages; tact.
  

Peaceful representations between states. - (read more on Diplomacy)