calmness
US /ˈkɑːm.nəs/
UK /ˈkɑːm.nəs/

1.
sakinlik, dinginlik, huzur
the state of being peaceful, quiet, and without worry
:
•
She found a sense of calmness in nature.
Doğada bir sakinlik hissi buldu.
•
Despite the chaos, he maintained his calmness.
Kaosa rağmen sakinliğini korudu.