[il.lu.mi.na.tion] n (14c) 1: the action of illuminating or state of being illuminated: as a: spiritual or intellectual enlightenment b (1): a lighting up (2): decorative lighting or lighting effects c: decoration by the art of illuminating
2: the luminous flux per unit area on an intercepting surface at any given point
3: one of the decorative features used in the art of illuminating or in decorative lighting