The Collaborative International Dictionary of English v.0.48:

Glow \Glow\ (gl[=o]), v. i. [imp. & p. p. Glowed (gl[=o]d); p.
   pr. & vb. n. Glowing.] [AS. gl[=o]wan; akin to D. gloeijen,
   OHG. gluoen, G. gl["u]hen, Icel. gl[=o]a, Dan. gloende
   glowing. [root]94. Cf. Gloom.]
   [1913 Webster]
   1. To shine with an intense or white heat; to give forth
      vivid light and heat; to be incandescent.
      [1913 Webster]

            Glows in the stars, and blossoms in the trees.
                                                  --Pope.
      [1913 Webster]

   2. To exhibit a strong, bright color; to be brilliant, as if
      with heat; to be bright or red with heat or animation,
      with blushes, etc.
      [1913 Webster]

            Clad in a gown that glows with Tyrian rays.
                                                  --Dryden.
      [1913 Webster]

            And glow with shame of your proceedings. --Shak.
      [1913 Webster]

   3. To feel hot; to have a burning sensation, as of the skin,
      from friction, exercise, etc.; to burn.
      [1913 Webster]

            Did not his temples glow
            In the same sultry winds and acrching heats?
                                                  --Addison.
      [1913 Webster]

            The cord slides swiftly through his glowing hands.
                                                  --Gay.
      [1913 Webster]

   4. To feel the heat of passion; to be animated, as by intense
      love, zeal, anger, etc.; to rage, as passior; as, the
      heart glows with love, zeal, or patriotism.
      [1913 Webster]

            With pride it mounts, and with revenge it glows.
                                                  --Dryden.
      [1913 Webster]

            Burns with one love, with one resentment glows.
                                                  --Pope.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

glowing \glowing\ adj.
   1. softly bright or radiant.

   Syn: aglow(predicate), lambent, luminous, lucent.
        [WordNet 1.5]

   2. highly enthusiastic; as, glowing praise.
      [WordNet 1.5]

   3. brilliantly colored and apparently giving off light.

   Syn: fluorescent.
        [WordNet 1.5]

   4. afire; as, glowing embers. [prenominal]

   Syn: burning.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

glowing
    adj 1: highly enthusiastic; "glowing praise"
    n 1: the amount of electromagnetic radiation leaving or arriving
         at a point on a surface [syn: radiance, glow,
         glowing]

Moby Thesaurus II by Grady Ward, 1.0:

302 Moby Thesaurus words for "glowing":
   Titian, Titian-red, ablaze, adhesive, afire, aflame, aflicker,
   aglow, alight, ardent, avid, beaming, beamy, beatific, beatified,
   blazing, blessed, blissful, blithe, blithesome, blooming, blowzed,
   blowzy, blushing, boiling, boiling over, breathless, bricky,
   bright, bright and sunny, brilliant, burning,
   burning with excitement, burnt, candent, candescent, capering,
   cardinal, carmine, carnation, carnelian, cerise, cheerful, cheery,
   cherry, cherry-colored, cherry-red, chirping, chromatic, cold,
   colorific, coloring, comburent, complimentary, conflagrant, cool,
   cordial, crimson, damask, dancing, dazzling, delirious, desirous,
   devastating, dichromatic, divine, drunk, eager, elated, emphatic,
   encomiastic, enthused, enthusiastic, enthusiastic about,
   eulogistic, eupeptic, euphoric, exalted, excited, exciting,
   exhilarated, exuberant, favorable, febrile, ferruginous, fervent,
   fervid, fevered, feverish, fierce, fiery, fire-red, flagrant,
   flame-colored, flame-red, flaming, flaring, flickering, florid,
   flush, flushed, flushed with joy, flushing, full of enthusiasm,
   full-blooded, fuming, gay, genial, glad, gladsome, glamorous,
   gleaming, gleamy, glinting, glorious, gluey, gooey, gorgeous,
   gules, gung-ho, guttering, happy, harmonious, hearty, heated,
   heavenly, hectic, het up, high, hopeful, hot, hot-blooded,
   ignescent, ignited, illuminant, impassioned, in a blaze, in a glow,
   in flames, in good spirits, in high spirits, in rut, incandescent,
   incarmined, infatuated with, inflamed, infrared, intense,
   intoxicated, iron-red, irradiative, irrepressible, joyful, joyous,
   keen, keen on, killing, kindled, lake-colored, laky, lambent,
   lamping, lateritious, laudatory, laughing, leaping, light as day,
   live, lively, living, lobster-red, luciferous, lucific, luciform,
   luminant, luminative, luminiferous, luminificent, luminous, lurid,
   lustrous, many-colored, maroon, matching, medley, monochromatic,
   monochrome, monochromic, motley, of good cheer, on fire,
   optimistic, orient, panegyrical, parti-colored, passionate,
   pigmentary, pleasant, polychromatic, port-wine, prismatic,
   provoking, puce, purring, radiant, rainbow, raving, ravishing, red,
   red-complexioned, red-dyed, red-faced, red-fleshed, red-hot,
   red-looking, reddened, reddish, reddish-amber, reddish-brown,
   reeking, resplendent, rhapsodic, riant, rich, rosy, rosy-cheeked,
   rubicund, rubiginous, rubric, rubricose, ruby, ruby-colored,
   ruby-red, ruddied, ruddy, ruddy-complexioned, ruddy-faced,
   rufescent, rufous, rust, rust-red, rusty, rutilant, rutilous,
   sanguine, sanguineous, scarlet, scintillant, scintillating,
   seething, sexually excited, shining, shiny, singing, smiling,
   smirking, smoking, smoldering, sparking, sparkling, spectral,
   splendid, splendorous, splendrous, stammel, starbright, starlike,
   starry, starry-eyed, steaming, steamy, stimulating, stirring,
   stodgy, streaming, stunning, sublime, suffused, sunburned, sunny,
   sunshiny, thrice happy, tile-red, tinctorial, tingent, toning,
   unextinguished, unquenched, unrestrained, urgent, variegated,
   vehement, vermilion, vibrant, vigorous, vinaceous, warm, wine,
   wine-colored, wine-red, winsome, zealous