Serene
WordNet
adjective
(1) Completely clear and fine
"Serene skies and a bright blue sea"
(2) Not agitated; without losing self-possession
"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"
WiktionaryText
Etymology
From , from .
Adjective
- Peaceful, calm, unruffled; unaffected by disturbance.
- (Of the sky) fair and unclouded.
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- Her Serene Highness