westernize (adj.)

also westernise, 1837, originally in reference to the U.S. West, from western + -ize.

Emigrants from Europe have brought the peculiarities of the nations and countries from whence they have originated, but are fast losing their national manners and feelings, and, to use a provincial term, will soon become "westernized." [J.M. Peck, "A New Guide for Emigrants to the West," Boston, 1837]

In reference to Europeanizing of Middle Eastern or Asian places and persons, from 1867. Related: Westernized; westernizing.

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Definitions of westernize from WordNet

westernize (v.)
make western in character;
Synonyms: occidentalize / occidentalise / westernise