diplomacy
Concise Oxford English Dictionary © 2008 Oxford University Press:
diplomacy/dɪˈpləʊməsi/
▶noun
- 1 the profession, activity, or skill of managing international relations.
- 2 skill and tact in dealing with people.
– origin C18: from Fr. diplomatie, from diplomatique ‘diplomatic’, on the pattern of aristocratie ‘aristocracy’.
'diplomacy' also found in these Oxford entries:

