Lewis Short
(adjective) : contĭōnābundus, a, um, contionor
* Proposing something or haranguing in a public assembly (several times in Livy; elsewh. very rare).
* In a bad sense; with acc.: haec prope contionabundus circumibat homines,Liv. 3, 47, 3; 5, 29, 10.
* In a good sense, Liv. 21, 53, 6; 40, 27, 8; Tac. A. 1, 17 init.
Charlton T. Lewis, Charles Short, A Latin Dictionary