追従 ついじゅう
tsuijū

Noun
Suru Verb

1. following (e.g. someone's opinion); being servile to; adherence; compliance; emulation; mimicking; servility

Intransitive
ある航空 こうくう会社 かいしゃ運賃 うんちん値下 ねさ計画 けいかく発表 はっぴょうすると、他社 たしゃもすぐに追従 ついじゅうした。
aru kōkūgaishaga unchinnesagekēkakuo happyō suruto tashamo suguni tsuishō shita.
As soon as one airline announced its plan for airfare reductions, the rest of the companies followed suit.