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 strangle or choke someone.
To utter with breaks and interruption, in the manner of a person half suffocated.
To have the throat obstructed so as to be in danger of suffocation; to choke; to suffocate.
To control or adjust the speed of (an engine).
To breathe hard, as when nearly suffocated.
To cut back on the speed of (an engine, person, organization, network connection, etc.).
A valve that regulates the supply of fuel-air mixture to an internal combustion engine and thus controls its speed; a similar valve that controls the air supply to an engine.
The lever or pedal that controls this valve.