v.
1.contribute to the progress or growth of
2.give a promotion to or assign to a higher position
3.make publicity for
4.be changed for a superior chess or checker piece
5.change a pawn for a king by advancing it to the eighth row, or change a checker piece for a more valuable piece by moving it the row closest to your opponent
Idiom of the Day
put (someone or something) out to pasture or put out (someone or something) to pasture
to retire someone or something
We decided to put our old horse out to pasture and stop riding him.