quietly
adverbUK /ˈkwaɪətli/
US /ˈkwaɪətli/
in a way that makes very little noise.
She closed the door quietly so she wouldn't wake the baby.
OTHER MEANINGS
2. in a way that is not loud or bright in color or style.
He dressed quietly in a plain gray suit.
3. without drawing attention or making a fuss.
They quietly donated money to the school.
4. in a calm and peaceful manner.
The town settled quietly for the night.