[ adjective ] characterized by absence of emotional agitation
"calm acceptance of the inevitable" "remained serene in the midst of turbulence" "a serene expression on her face" "she became more tranquil" "tranquil life in the country"
Used in print(Harry Olesker, Impact....)
But Blanche had been able to maintain a serene and assured composure in the face of her widowed mother 's continued carping , had been able to resist her urgings to date anyone who offered the slightest possibility of matrimony .
[ adjective ] completely clear and fine
"serene skies and a bright blue sea"