D defs.my
Entry 2 senses Webster, 1913

Internationalist

· In·ter·na·tion·al·ist · IPA /ˌɪntərnˈæʃənəlɪst/
01 n. One who is versed in the principles of international law.
  1. 1.
    One who is versed in the principles of international law.
  2. 2.
    A member of the International; one who believes in, or advocates the doctrines of, the International.