set (something) off - to decorate something through contrast, to balance something by difference We painted the trim of our house red in order to set off the light colors. set (something) off - to cause something to explode The fire set off a large explosion on the ship. set (something) right - to correct something, to make something more fair The man made an effort to set things right between himself and his brother. set (something) to music - to write a piece of music that is related to some written material The composer has worked hard to set many great stories to music. set the pace -.