radiant

adj.

[1]	shining , beaming , beamy , bright , beaming , effulgent , refulgent , 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
[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