any theory or policy of, or movement toward, political and economic cooperation, mutual social and cultural understanding, international alliance, etc. among the Pan-American nations
Pan-Americanism in American English
(ˌpænəˈmerɪkəˌnɪzəm)
noun
1.
the idea or advocacy of a political alliance or union of all the countries of North, Central, and South America
2.
a movement for or the idea or advocacy of close economic, cultural, and military cooperation among the Pan-American countries
Word origin
[1900–05, Amer.; pan-american + -ism]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: Young Turk, burnout, cathode-ray tube, decompression, hydroplane-ism is a suffix appearing in loanwords from Greek, where it was used to form action nounsfrom verbs (baptism). On this model, -ism is used as a productive suffix in the formation of nouns denoting action or practice,state or condition, principles, doctrines, a usage or characteristic, devotion oradherence, etc. (criticism; barbarism; Darwinism; despotism; plagiarism; realism; witticism; intellectualism)