Quiet
Calm, Leisurely, Easy
adjective, adverb
ゆうゆう
静か (しずか) Quiet
静寂 (せいじゃく) Silence, Still, Quiet
閑静 (かんせい) Quiet
閑散 (かんさん) Deserted, Inactive, Leisure, Quiet
悠々 (ゆうゆう) Quiet, Calm, Leisurely, Easy
静々 (しずしず) Quietly, Calmly
徐々 (じょじょ) Gradually, Steadily, Quietly, Slowly
悠長 (ゆうちょう) Leisurely, Slow, Deliberate, Easygoing
悠々 means Leisurely/Calm. Quiet is a side effect.
You ゆう and you ゆう, be Quiet!