Se*ren"i*ty (?), n. [L. serenuas: cf. F. s'er'enit'e.]
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.
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.
Serenity is given as a title to the members of certain princely families in Europe; as, Your Serenity.
© Webster 1913.