Serenity; clearness; calmness.
Evening air; night chill.
To make serene.
Peaceful, calm, unruffled.
She looked at her students with joviality and a serene mentality.
Without worry or anxiety; unaffected by disturbance.
Fair and unclouded (as of the sky); clear; unobscured.
Used as part of certain titles, originally to indicate sovereignty or independence.
Her Serene Highness