To be in debate; to engage in discussion; to dispute; to argue.
To be in opposition; to contest; to dispute; to vie; to quarrel; to fight.
To believe (something is reasonable) and argue (for it); to advocate.
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 mediate, to be an intermediate.
To arrange, in the manner of a broker.
Being between two extremes, or in the middle of a range.
Any substance formed as part of a series of chemical reactions that is not the end-product.
An intermediary.
Anything in an intermediate position.