Lewis Short
(adj.adv.) : plausĭbĭlis, e, adj.plaudo
* Deserving applause, praiseworthy, acceptable, pleasing (class.): censorium nomen (with populare),Cic. Div. in Caecil. 3, 8: oratio,Sen. Ep. 5, 9: locus,Quint. 4, 3, 1.—Hence, adv.: plau-sĭbĭlĭter, with applause (post-class.): ingenium plausibilius manifestare,with more applause,Sid. Ep. 8, 10.
Charlton T. Lewis, Charles Short, A Latin Dictionary