1To rule, govern, or administer a country, organization, or household; to maintain order through management or leadership.
歴史上、多くの大名が領地を治めた。
In history, many daimyo governed their domains.
彼は市長として市を上手に治めている。
He governs the city well as mayor.
親は家庭を治める責任があると感じている。
The parent feels responsible for managing the household.
2To subdue, suppress, or quell something such as a rebellion, dispute, or strong emotion; to settle or calm it.
政府は暴動を速やかに治めた。
The government quickly quelled the riots.
上司は冷静に場を治め、争いを終わらせた。
The boss calmly settled the situation and ended the dispute.
怒りを治めるために深呼吸をした。
He took deep breaths to calm his anger.