The Collaborative International Dictionary of English v.0.48:

Beaming \Beam"ing\, a.
   Emitting beams; radiant.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Beam \Beam\, v. t. [imp. & p. p. Beamed (b[=e]md); p. pr. &
   vb. n. Beaming.]
   To send forth; to emit; -- followed ordinarily by forth; as,
   to beam forth light.
   [1913 Webster]

WordNet (r) 3.0 (2006):

beaming
    adj 1: cheerful and bright; "a beaming smile"; "a glad May
           morning" [syn: beaming, glad]
    2: pleased and proud; "beaming parents"
    3: radiating or as if radiating light; "the beaming sun"; "the
       effulgent daffodils"; "a radiant sunrise"; "a refulgent
       sunset" [syn: beaming, beamy, effulgent, radiant,
       refulgent]

Moby Thesaurus II by Grady Ward, 1.0:

109 Moby Thesaurus words for "beaming":
   aglow, beamy, beatific, beatified, blessed, blissful, blithe,
   blithesome, blooming, blushing, bright, bright and sunny,
   brilliant, burning, candescent, capering, cheerful, cheery,
   chirping, dancing, dazzling, devastating, divine, effulgent,
   elated, eupeptic, euphoric, exalted, exhilarated, flushed,
   flushed with joy, flushing, fulgent, gay, genial, glad, gladsome,
   glamorous, gleaming, gleamy, glinting, glorious, glowing, gorgeous,
   happy, heavenly, high, hopeful, illuminant, in good spirits,
   in high spirits, incandescent, irradiative, irrepressible, joyful,
   joyous, killing, lambent, lamping, laughing, leaping, light as day,
   lucent, luciferous, lucific, luciform, luminant, luminative,
   luminiferous, luminificent, luminous, lustrous, of good cheer,
   optimistic, orient, pleasant, purring, radiant, raving, ravishing,
   refulgent, resplendent, riant, rosy, rutilant, rutilous, sanguine,
   sanguineous, shining, shiny, singing, smiling, smirking, sparkling,
   splendid, splendorous, splendrous, starbright, starlike, starry,
   starry-eyed, streaming, stunning, sublime, suffused, sunny,
   sunshiny, thrice happy, winsome