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