The verb promote has 5 senses (first 3 from tagged texts)
1. (31) promote, advance, boost, further, encourage -- (contribute to the progress or growth of; "I am promoting the use of computers in the classroom")
2. (5) promote, upgrade, advance, kick upstairs, raise, elevate -- (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")
3. (2) advertise, advertize, promote, push -- (make publicity for; try to sell (a product); "The salesman is aggressively pushing the new computer model"; "The company is heavily advertizing their new laptops")
4. promote -- (be changed for a superior chess or checker piece)
5. promote -- (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)