n. One who, or that which, compounds or mixes.n. One who attempts to bring persons or parties to terms of agreement, or to accomplish ends by compromises.n. One who compounds a debt, obligation, or crime.n. One at a university who pays extraordinary fees for the degree he is to take.n. A Jacobite who favored the restoration of James II, on condition of a general amnesty and of guarantees for the security of the civil and ecclesiastical constitution of the realm.