Quiet
Part of speech: verb
Definition: To become quiet, silent, still, tranquil, calm. To cause someone to become quiet.
Part of speech: adjective
Definition: With little or no sound; denoting absence of disturbing noise. Having little motion or activity; calm. Not busy, of low quantity. Not talking much or not talking loudly; reserved.
Part of speech: noun
Definition: The absence of sound; quietness. the absence of movement; stillness, tranquility
Example sentence: From quiet homes and first beginning, out to the undiscovered ends, there's nothing worth the wear of winning, but laughter and the love of friends.
Serenity
Part of speech: noun
Definition: The state of being serene; calmness; peacefulness.A lack of agitation or disturbance.A title given to a reigning prince or similar dignitary.
Example sentence: Boredom is the feeling that everything is a waste of time; serenity, that nothing is.