To admonish or remonstrate someone; to advise someone not to do something or to warn them against it.
先生は授業中に騒いでいる生徒を静かに諌めた。
The teacher quietly admonished the students who were making noise during class.
友人が夜更かしを続けていたので、体を壊すと諌めた。
I warned my friend, who kept staying up late, that they would ruin their health.
上司は感情的になった部下を諌め、落ち着いて対応するよう促した。
The boss admonished the upset subordinate and urged them to respond calmly.