The Oxford Thesaurus An A-Z Dictionary of Synonyms INTRO ...

luminosity, luminousness, dazzle, sparkle, coruscation,
scintillation, twinkle, effulgence, refulgence, incandescence,
glow, phosphorescence, gleam, lustre, shimmer, shine: As
Aladdin rubbed the ring, it began to glow with an inner radiance
and then - suddenly - a genie appeared. 2 warmth, gladness, joy,
pleasure, happiness, cheeriness, delight: It was good to see
again the radiance of the family at Christmas dinner.
radiant adj. 1 shining, bright, beaming, burning, ablaze, blazing,
brilliant, luminous, resplendent, splendid, splendorous,
lustrous, gleaming, glowing, phosphorescent, shimmering, shiny,
glossy, glistening, incandescent, alight, effulgent, refulgent,
sparkling, dazzling, glittering, coruscating, scintillating,
twinkling; aglow: In her hair she wore a diamond tiara, a
radiant crown whose glory was diminished only by her beauty. The
room was radiant with sunshine. 2 happy, overjoyed, ecstatic,
rapturous, delighted, joyful, blithe, blithesome, blissful,
beatific, glad, gleeful, joyous, gay, bubbling, bubbly,
jubilant, elated, rhapsodic, exultant, exhilarated, in seventh
heaven, in heaven, Colloq on cloud nine, Brit over the moon:
Carrie was absolutely radiant when she learned she was pregnant.
radiate v. 1 shine, beam, burn, blaze, gleam, glow, shimmer, glisten,
sparkle, dazzle, glitter, coruscate, scintillate, twinkle: The
jewel seemed to radiate with an inner light. 2 emanate,
disseminate, disperse, spread, diffuse, shed, send out, emit,
give off or out, Rare irradiate: He radiated goodwill the way a
fire radiates heat and light.
radiation n. emission, emanation, diffusion, dispersal, shedding:
Because the night was cloudless, unhindered radiation of the
earth's heat rapidly cooled the air.
radical adj. 1 basic, fundamental, elementary, inherent,
constitutional, elemental, essential, cardinal, principal,
primary, deep, deep-seated, profound, underlying, organic,
natural, rudimentary: There is a radical error in your approach
to the problem. There are radical differences in the ways we
regard the English language. 2 thorough, thoroughgoing,
complete, entire, total, exhaustive, sweeping, (all-)inclusive,
comprehensive, all-embracing, out-and-out, drastic, severe,
extreme, extremist, revolutionary: We have made radical changes
in the way we live. Every political party that is not in power