Deep admiration or being impressed by someone's ability, attitude, or actions; a somewhat formal term often used in writing.
彼の冷静な対応には感服した。
I was impressed by his calm response.
チームの粘り強さに感服して、監督は選手たちを称えた。
Impressed by the team's persistence, the coach praised the players.
彼女の研究成果には学会でも感服する声が多かった。
Many at the conference expressed admiration for her research results.