BRIGHTEN

n. 1. очищать, полировать (металл); придавать блеск (тж. brighten up) The new paint will brighten up the house. 2. прояснять(ся) (тж. brighten up) The day brightened up after the storm passed. 3. улучшать(ся) (о перспективах и т. п.) 4. наполнять радостью, радовать (тж. brighten up) Let's brighten up the party with some loud music. Mary brightened up when she was told that Jim was coming after all.