Diplomacy \Di*plo"ma*cy\, n. [F. diplomatie. This word, like supremacy, retains the accent of its original. See Diploma.]

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

2. Dexterity or skill in securing advantages; tact.

3. The body of ministers or envoys resident at a court; the diplomatic body. [R.]

--Burke.

Source: Webster's Revised Unabridged Dictionary (1913)