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.
To put off; to postpone.
To decelerate; to slow down.
To keep delaying; to continue to hinder; to prevent from progressing.
Retardation; delay.
A slowing down of the tempo; a ritardando.
A person or being who is extremely stupid or slow to learn.