? Obs. [agent-n. in L. form, f. L. confœderāre to CONFEDERATE: corresp. to F. confédérateur.] One who confederates with others (esp. for an evil purpose); a confederate, conspirator.
1536. Act 28 Hen. VIII., c. 15 § 1. Robbers, murtherers, and confederatours vpon the sea.
1568. Grafton, Chron. Hen. VIII., II. 1227. One hundred thousand Crownes, whereof the one halfe the Confederatours shall and maye employ when neede shall require.
1641. Termes de la Ley, 73. Enquirie shall bee made of conspirators and confederators.
1864. Webster has Confederater.