To promote, advocate, or act as a champion for (a cause, etc.).
Someone who fights for a cause or status.
An ongoing winner in a game or contest.
Someone who fights on another's behalf.
A particularly notable member of a plant species, such as one of great size.
Someone who is chosen to represent a group of people in a contest.
Acting as a champion; having defeated all one's competitors.
Excellent; brilliant; superb; deserving of high praise.
Excellent; beyond compare.
To advocate or urge on behalf of (something or someone); to attempt to popularize or sell by means of advertising or publicity.
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 encourage, urge or incite.
To exchange (a pawn) for a queen or other piece when it reaches the eighth rank.