plau ‧ si ‧ ble /ˈplɔːzəb ə l, ˈplɔːzɪb ə l $ ˈplɒː-/ BrE AmE adjective
[ Date: 1500-1600 ; Language: Latin ; Origin: plausibilis 'worth applauding' , from plaudere ; ⇨ ↑ plaudits ]
1 . reasonable and likely to be true or successful OPP implausible :
His story certainly sounds plausible.
a plausible explanation
2 . someone who is plausible is good at talking in a way that sounds reasonable and truthful, although they may in fact be lying:
a plausible liar
—plausibly adverb
—plausibility /ˌplɔːzəˈbɪləti, ˌplɔːzɪˈbɪləti $ ˌplɒː-/ noun [uncountable]