n (physics) electromagnetic radiation that can produce a visual sensation n any device serving as a source of illumination n a particular perspective or aspect of a situation n the quality of being luminous; emitting or reflecting light n an illuminated area n a condition of spiritual awareness; divine illumination n the visual effect of illumination on objects or scenes as created in pictures n a person regarded very fondly n having abundant light or illumination n mental understanding as an enlightening experience n merriment expressed by a brightness or gleam or animation of countenance n public awareness n a divine presence believed by Quakers to enlighten and guide the soul n a visual warning signal n a device for lighting or igniting fuel or charges or fires v make lighter or brighter v begin to smoke v to come to rest, settle v cause to start burning; subject to fire or great heat v fall to somebody by assignment or lot v alight from (a horse)