diplomatic

adjective

Pronunciation: /ˌdɪpləˈmætɪk/

Etymology: From French diplomatique and its etymon New Latin diplōmaticus. By surface analysis, diplomat + -ic.

Concerning the relationships between the governments of countries.
“She spent thirty years working for Canada's diplomatic service.”
“Albania immediately severed diplomatic relations with Zimbabwe.”
Exhibiting diplomacy; exercising tact or courtesy; using discussion to avoid hard feelings, fights or arguments.
“Thoughtful corrections can be diplomatic as well as instructional.”
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.

Etymology: From French diplomatique and its etymon New Latin diplōmaticus. By surface analysis, diplomat + -ic.

The science of diplomas, or the art of deciphering ancient writings and determining their age, authenticity, etc.; paleography.
“In its broadest aspect, the subject-matter of diplomatic is the relation between documents and facts.”