(physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons
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
be changed for a superior chess or checker piece
give a promotion to or assign to a higher position; "John was kicked upstairs when a replacement was hired"; "Women tend not to advance in the major law firms"; "I got promoted after many years of hard work"
contribute to the progress or growth of; "I am promoting the use of computers in the classroom"
the mental attitude that something is believable and should be accepted as true; "he gave credence to the gossip"; "acceptance of Newtonian mechanics was unquestioned for 200 years"