diplomatic
adjective /ˌdɪpləˈmætɪk/
  /ˌdɪpləˈmætɪk/
- connected with managing relations between countries (= diplomacy)
- a diplomatic crisis
 - Attempts are being made to settle the dispute by diplomatic means.
 - to break off/establish/restore diplomatic relations with a country
 
 - having or showing skill in dealing with people in difficult situations synonym tactful
- a diplomatic answer
 - You could try being a little more diplomatic this time.