plausible Copy link • plausible: nearest word, prŏbābĭlis, e: a p. (false) story, pr. mendacium, Liv. 40, 29: these arguments are very p., *pr. haec in speciem argumenta sunt: v. probable. Phr.: to be p., *speciem probabilitatis prae se ferre: cf. preced. art. (Speciosus = making a fair show: thus speciosae causae, in Cic. Att. 16, 7, fin., are respectable, presentable reasons, not ignominious ones.)