radiating or reflecting light; shining; bright.

lighted up or illuminated; well-lighted

the luminous ballroom.

brilliant intellectually; enlightened or enlightening, as a writer or a writer's works

a luminous concept; luminous prose.

clear; readily intelligible

a concise, luminous report.

adjective

dark , dim , dull , gloomy , obscure , unclear , unintelligible , vague

adjective

beaming , brilliant , clear , crystal , effulgent , fulgent , illuminated , incandescent , lambent , lighted , lit , lucent , lucid , luminescent , lustrous , radiant , refulgent , resplendent , shining , translucent , transparent , vivid , apprehensible , bright , comprehendible , comprehensible , evident , fathomable , graspable , intelligible , knowable , perspicacious , perspicuous , beamy , irradiant , shiny , glowing , inspiring , intelligent , obvious