Lewis & Short

complex, plĭcis, adj. [complico], closely connected with one, confederate, participant (late Lat.): dii consentes et complices, i. e. agreeing, Arn. 3, p. 123 (v. consentes).
With gen., Cod. Th. 6, 4, 21; Ambros. Off. 3, 4; Prud. Ham. 614.