expression, godan verb (-u)
follow custom; conform to convention; toe the line
Used when someone acts according to established customs, traditions, or social expectations. Often implies a conscious choice to adhere to norms.
彼は会社の慣習に従って、毎朝上司に挨拶している。
He follows the company custom and greets his boss every morning.
この地域では、古くからの慣習に従って祭りを行う。
In this region, they hold the festival according to old customs.