Term: light up

light up (phrasal verb): to suddenly become bright with light, or to show a sudden emotion like happiness or excitement on one’s face. 

synonyms: brighten, illuminate, glow, beam. 

pronunciation: /laɪt ʌp/ 

translation: izgaismot, iedegties or atplaukt priekā 

example: the sky began to light up with fireworks, and her face would light up every time she saw a sparkler. 

other words from this root: light (noun/verb), lighter (noun), lighting (noun).

Irregular forms: light – lit – lit