What is the meaning of Diplomatic?

Concerning the relationships between the governments of countries.

Exhibiting diplomacy; exercising tact or courtesy; using discussion to avoid hard feelings, fights or arguments.

Describing a publication of a text which follows a single basic manuscript, but with variants in other manuscripts noted in the critical apparatus.

Relating to diplomatics, or the study of old texts; paleographic.

The science of diplomas, or the art of deciphering ancient writings and determining their age, authenticity, etc.; paleography.

plural of diplomatich

diplomatic

diplomatic

Source: wiktionary.org