expression, godan verb (-su)
be extremely polite; show utmost courtesy; do everything etiquette requires
Used when someone goes to great lengths to observe proper manners, often in formal or ceremonial contexts.
彼は目上の人に礼を尽くして接する。
He treats his superiors with the utmost courtesy.
結婚式では、両家の
At a wedding, it is important to show every courtesy to the relatives of both families.