n. [ L. serenuas: cf. F. sérénité. ]
A general peace and serenity newly succeeded a general trouble. Sir W. Temple. [ 1913 Webster ]
I can not see how any men should ever transgress those moral rules with confidence and serenity. Locke. [ 1913 Webster ]
☞ Serenity is given as a title to the members of certain princely families in Europe; as, Your Serenity. [ 1913 Webster ]