worship or admiration of Western cultures
A formal or academic term for the tendency to uncritically admire or imitate Western culture, often with a critical or analytical tone.
His paper criticizes the worship of Western culture during the Meiji period.
More colloquial and often derogatory, implying a superficial or excessive infatuation with Western things, while 西洋崇拝主義 is a formal, ideological term.
Compound of 西洋 (the West), 崇拝 (worship, adoration), and 主義 (principle, -ism). The exact historical origin is uncertain, but it likely emerged in modern Japanese intellectual discourse.