[1] : The Collaborative International Dictionary of English v.0.48

serene \serene"\, a. l. serenus to grow dry, gr. ??? hot,
   scorching.
   1. bright; clear; unabscured; as, a serene sky.
      1913 webster

            the moon serene in glory mounts the sky. --pope.
      1913 webster

            full many a gem of purest ray serene
            the dark unfathomed caves of ocean bear. --gray.
      1913 webster

   2. calm; placid; undisturbed; unruffled; as, a serene aspect;
      a serene soul. --milton.
      1913 webster

   note: in several countries of europe, serene is given as a
         tittle to princes and the members of their families;
         as, his serene highness.
         1913 webster

   drop serene. med. see amaurosis. --milton.
      1913 webster
see also:
drop serene amaurosis 

[2] : The Collaborative International Dictionary of English v.0.48

serene \serene"\, n.
   1. serenity; clearness; calmness. poetic. "the serene of
      heaven." --southey.
      1913 webster

            to their master is denied
            to share their sweet serene.          --young.
      1913 webster

   2. f. serein evening dew or damp. see serein. evening
      air; night chill. obs. "some serene blast me." --b.
      jonson.
      1913 webster
see also:
serein 

[3] : The Collaborative International Dictionary of English v.0.48

serene \serene"\, v. t. l. serenare.
   to make serene.
   1913 webster

         heaven and earth, as if contending, vie
         to raise his being, and serene his soul. --thomson.
   1913 webster

[4] : WordNet (r) 2.0

serene
     adj 1: characterized by absence of emotional agitation; "calm
            acceptance of the inevitable"; "remained serene in the
            midst of turbulence"; "a serene expression on her
            face"; "she became more tranquil"; "tranquil life in
            the country" syn: calm, tranquil
     2: completely clear and fine; "serene skies and a bright blue
        sea"
see also:
calm tranquil 

[5] : Moby Thesaurus II by Grady Ward, 1.0

63 moby thesaurus words for "serene":
   at peace, bloodless, bucolic, calm, clear, cloudless, collected,
   composed, concordant, cool, coolheaded, diaphanous, dispassionate,
   easy, easygoing, equable, even, even-tempered, halcyon, idyllic,
   imperturbable, levelheaded, light, lightish, lightsome, lucent,
   lucid, luculent, noiseless, nonchalant, orderly, pacific, pastoral,
   peaceable, peaceful, peacetime, pellucid, philosophical, piping,
   placid, poised, quiescent, quiet, relucent, reposeful, restful,
   resting, self-possessed, soft, still, temperate, tranquil,
   translucent, translucid, transparent, unclouded, undisturbed,
   unexcitable, unflappable, unobscured, unperturbed, unruffled,
   untroubled

Serene >> S Words
Serene, definition of term: Serene
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