ଉଦାହରଣ : Spoke in a calm voice.
Remained calm throughout the uproar.
He remained serene in the midst of turbulence.
A serene expression on her face.
She became more tranquil.
Tranquil life in the country.

ସମକକ୍ଷ : calm, tranquil, unagitated

ଉଦାହରଣ : Serene skies and a bright blue sea.