LED is an acronym for Light Emitting Diode, a type of semiconductor device that emits light when an electric current passes through it. RULED is a five-letter word meaning to have authority over or to make decisions about something. RAN is a three-letter word meaning to move quickly on foot. PACED is a five-letter word meaning to walk at a steady speed, especially as a way of controlling one's emotions. GUIDED is a six-letter word meaning to show or direct the way to someone or something. HEADED is a six-letter word meaning to be in charge of or lead. HELMED is a six-letter word meaning to be in charge of or lead. CHAIRED is a seven-letter word meaning to preside over a meeting or other gathering. STEERED is a seven-letter word meaning to guide or direct the course of something. USHERED is a seven-letter word meaning to show someone to a seat or to a place. DIRECTED is an eight-letter word meaning to manage or supervise the performance or activities of. ESCORTED is an eight-letter word meaning to accompany someone to a place. HEADEDUP is an eight-letter word meaning to be in charge of or lead. WASAHEAD is an eight-letter word meaning to be in the lead or in front. WENTFIRST is a nine-letter word meaning to be the first to do something. WENTBEFORE is a ten-letter word meaning to go before someone or something.