sense of relief; feeling of relief
彼の言葉に安堵感を覚えた。
I felt a sense of relief at his words.
手術成功の知らせに安堵感が広がった。
A sense of relief spread at the news of the successful surgery.
長年の懸念が解消され、深い安堵感に包まれた。
As years of concern were resolved, I was enveloped in a deep sense of relief.