01 n. The quality or state of being serene; clearness and calmness; quietness; stillness; peace.
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1.
The quality or state of being serene; clearness and calmness; quietness; stillness; peace.“A general peace and serenity newly succeeded a general trouble.” — Sir W. Temple.
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2.
Calmness of mind; eveness of temper; undisturbed state; coolness; composure.“I can not see how any men should ever transgress those moral rules with confidence and serenity.” — Locke.