serenity
n. uncountable C1 Advanced US //sɝˈɛnəti// UK //sɛɹˈɛnɪti// seren·i·ty
n. a feeling of being completely calm and peaceful. You feel this when you are not worried or upset by anything.
n. the state of being calm, peaceful, and untroubled. Often used to describe a mental or emotional state that remains steady despite external pressures.
The garden offers a sense of total serenity.
After a long week of work, she found serenity in the quiet of the mountains.
The monk's face reflected a deep inner serenity that seemed entirely unaffected by the chaotic noise of the city streets surrounding the temple.
Usage
Commonly follows the verbs 'find', 'achieve', or 'disturb'.