To believe (something is reasonable) and argue (for it); to advocate.
To be in opposition; to contest; to dispute; to vie; to quarrel; to fight.
To be in debate; to engage in discussion; to dispute; to argue.
To struggle or exert oneself to obtain or retain possession of, or to defend.
contend with: To try to cope with a difficulty or problem.
To support by words or writing; to vindicate, talk in favour of.
To focus one's energies and talents on preventing opponents from scoring, as opposed to focusing on scoring.
To attempt to retain a title, or attempt to reach the same stage in a competition as one did in the previous edition of that competition.
To call a raise from the big blind.
To ward off attacks against; to fight to protect; to guard.
To make legal defence of; to represent (the accused).