noun, often capitalized
west·​ern·​ism | \-ˌnizəm\
plural -s

Definition of westernism 

1a : a locution or pronunciation characteristic of a western region and especially of the western U.S.

b : an attitude or trait characteristic of a westerner

2a : a western institution or concept the Japanese took over the forms of westernism, including a constitution and a parliament— Nathaniel Peffer

b : adherence to or advocacy of western traditions and techniques

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First Known Use of westernism

1836, in the meaning defined at sense 1

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living or existing for a long time

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