league (v.) Copy link Outline 1. expr. by foedus, societas, and a verb2. conjūro, 1 • league (v.): 1. expr. by foedus, societas, and a verb: v. to ally, alliance. 2. conjūro, 1: with perf. part. conjuratus (leagued together): Hor. Od. 1, 15, 7: Liv.: v. to conspire.