To lessen the authority or dignity of; to put down; to degrade; to abase; to weaken; to nerf (in gaming).
To taper.
To disappear gradually.
To take away; to subtract.
To make smaller.
To become less or smaller.
To encourage, urge or incite.
To increase the activity of (a catalyst) by changing its surface structure.
To elevate to a higher league.
To raise (someone) to a more important, responsible, or remunerative job or rank.
To move on to a subsequent stage of education.
To advocate or urge on behalf of (something or someone); to attempt to popularize or sell by means of advertising or publicity.
To exchange (a pawn) for a queen or other piece when it reaches the eighth rank.