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
lend (something) to (something)
to make something important, to make something believable
The new research lends significance to the new theory.