ichidan verb, transitive verb
Transitive verb meaning to make something loose, relaxed, or comfortable; often used for loosening clothing, relaxing one's posture, or creating a relaxed atmosphere.
ネクタイをくつろげて、ソファに座った。
I loosened my tie and sat on the sofa.
彼女は緊張している客をくつろげようと、優しく話しかけた。
She spoke gently to put the nervous guest at ease.