What does "diplomatic" mean?

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

What is a synonym for "diplomatic"?

Common synonyms include: acute, adept, adroit, ambassador, ambassadorial, appeasement.

Pronounced //ˌdɪpləˈmætɪk//.

//ˌdɪpləˈmætɪk// adj, noun

adj, noun ·Common ·High school level

Noun

1
The science of diplomas, or the art of deciphering ancient writings and determining their age, authenticity, etc.; paleography. uncountable
"In its broadest aspect, the subject-matter of diplomatic is the relation between documents and facts."

Adjective

1
Concerning the relationships between the governments of countries.
"She spent thirty years working for Canada's diplomatic service."
2
Exhibiting diplomacy; exercising tact or courtesy; using discussion to avoid hard feelings, fights or arguments.
"Thoughtful corrections can be diplomatic as well as instructional."
3
Describing a publication of a text which follows a single basic manuscript, but with variants in other manuscripts noted in the critical apparatus.
4
Relating to diplomatics, or the study of old texts; paleographic.