Definition of "Promote" :

verb: make publicity for; try to sell (a product)

verb: change a pawn for a better piece by advancing it to the eighth row, or change a checker piece for a more valuable piece by moving it to the row closest to your opponent

verb: be changed for a superior chess or checker piece

verb: give a promotion to or assign to a higher position

"I got promoted after many years of hard work."

verb: contribute to the progress or growth of