3 adjectives to describe calme

Elle est calme!...

So on a summers day, when season milde With gentle calme the world had quieted, 50 And high in heaven Hyperions fierie childe Ascending did his beames abroad dispred, Whiles all the heavens on lower creatures smilde, Yong Clarion, with vauntfull lustiehead; After his guize did cast abroad to fare, 55 And theretoo gan his furnitures prepare.

Not to detaine or prepare thee longer, be as capritious and sick-brain'd, as ignorance & malice can make thee, here thou art rectified, or be as healthfull as the inward calme of an honest Heart, Learning, and Temper can state thy disposition, yet this booke may be thy fortunate concernement and Companion.

3 adjectives to describe  calme