The word "diplomatic" means being tactful, skilled, and careful in dealing with others, especially in sensitive or difficult situations. Full definition
As in any profession or industry, the terminology used in diplomatic circles has a learning curve. (firstthings.com)
It sounds like a 21st - century version of the Korean government's denial of normal diplomatic relations Are you going to lose all your initiative and shout out our government? (getrevue.co)
In that sense, mission as the spread of the gospel has given way to mission as an instrument of national policy, with diplomatic missions overseeing the implementation of foreign policy. (religion-online.org)