Keenly excited (especially sexually) or indicating excitement:
— His face all ablaze with excitement.

synonyms: aflame, aroused.

Roget 420: shining etc. v.; luminous, luminiferous^†; lucid, lucent, luculent^†, lucific^†, luciferous; light, lightsome; bright, vivid, splendent^†, nitid^†, lustrous, shiny, beamy^†, scintillant^†, radiant, lambent; sheen, sheeny; glossy, burnished, glassy, sunny, orient, meridian; noonday, tide; cloudless, clear; unclouded, unobscured^†.    gairish^†, garish; resplendent, transplendent^†; refulgent, effulgent; fulgid^†, fulgent^†; relucent^†, splendid, blazing, in a blaze, ablaze, rutilant^†, meteoric, phosphorescent; aglow.    bright as silver; light as day, bright as day, light as noonday, bright as noonday, bright as the sun at noonday.    actinic; photogenic, graphic; heliographic; heliophagous^†.    ... show more

Lighted up by or as by fire or flame:
— Forests set ablaze (or afire) by lightning.

synonyms: afire, aflame, aflare, alight, on fire.

Roget 382: hot, warm, mild, genial, tepid, lukewarm, unfrozen; thermal, thermic; calorific; fervent, fervid; ardent; aglow.    sunny, torrid, tropical, estival^†, canicular^†, steamy; close, sultry, stifling, stuffy, suffocating, oppressive; reeking etc. v.; baking etc. 384.    red hot, white hot, smoking hot, burning etc. v.. hot, piping hot; like a furnace, like an oven; burning, hot as fire, hot as pepper; hot enough to roast an ox, hot enough to boil an egg.    fiery; incandescent, incalescent^†; candent^†, ebullient, glowing, smoking; live; on fire; dazzling etc. v.; in flames, blazing, in a blaze; alight, afire, ablaze; unquenched, unextinguished^†; smoldering; in a heat, in a glow, in a fever, in a perspiration, in a sweat; sudorific^†; sweltering, sweltered; blood hot, blood warm; warm as a toast, warm as wool.    volcanic, plutonic, igneous; isothermal^†, isothermic^†, isotheral^†.    ... show more

Resembling flame in brilliance or color.

Lighted with red light as if with flames:
— Streets ablaze with lighted Christmas trees.

synonyms: inflamed, reddened.