promote - verb

• contribute to the progress or growth of
• give a promotion to or assign to a higher position
• make publicity for; try to sell (a product)
• be changed for a superior chess or checker piece
• 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

promote - thesaurus

advance   advertise   advertize   boost   elevate   encourage   further   push   raise   upgrade