a. [ L. opponens, -entis, p. pr. of opponere to set or place against, to oppose; ob (see Ob-) + ponere to place. See Position. ] Situated in front; opposite; hence, opposing; adverse; antagonistic. Pope. [ 1913 Webster ]
n.
How becomingly does Philopolis exercise his office, and seasonably commit the opponent with the respondent, like a long-practiced moderator! Dr. H. More. [ 1913 Webster ]