tranquility - n. 고요, 평안, 냉정 serenity

• The Hermitage has an atmosphere of peace and tranquility.
• Here we have a beautiful country estate, a haven of peace and tranquility, an oasis in an ever encroaching desert.
• There is also some question whether the claim that tranquility is the source of an even-tempered life is anything more than vacuous.