conjugation brightening - brightened - brightened
verb: to become more luminous or to increase in light intensity
The sky began to brighten as the sun rose over the horizon.
verb: to improve someone's mood or make a situation more positive
His unexpected compliment brightened her spirits after a long day.
verb: to make something lighter or brighter in color
She decided to brighten the room with a coat of yellow paint.
verb: to become more cheerful or lively
His face seemed to brighten when he heard the good news.