serenely

from WordNet (r) 3.0 (2006)

serenely
    adv 1: in a peacefully serene manner; "I had the feeling that he
           was waiting, too--serenely patient"

from The Collaborative International Dictionary of English v.0.48

Serenely \Se*rene"ly\, adv.
   1. In a serene manner; clearly.
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            Now setting Ph[oe]bus shone serenely bright. --Pope.
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   2. With unruffled temper; coolly; calmly. --Prior.
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