The term 'lit up' can be used to describe a variety of situations. The crossword solutions for this term include 'RADIANT' (7 letters), 'AGLOW' (5 letters), 'smiled' (6 letters), 'AFIRE' (5 letters), 'ABLAZE' (6 letters), 'AFLAME' (6 letters), and 'SOUSED' (6 letters). Each of these words can be used to describe a situation in which something is lit up, whether it be a person's face, an object, or a fire. RADIANT and AGLOW both suggest a bright, glowing light, while smiled and SOUSED suggest a more subtle, but still illuminated, expression. AFIRE, ABLAZE, and AFLAME all refer to a fire that is burning brightly, and IGNITED suggests the act of lighting something up.