Antonyms of noun implausibility

1 sense of implausibility

Sense 1
implausibility, implausibleness -- (the quality of provoking disbelief)
       Antonym of plausibility (Sense 1)
      => plausibility, plausibleness -- (apparent validity)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun implausibility

1 sense of implausibility

Sense 1
implausibility, implausibleness -- (the quality of provoking disbelief)
       => incredibility, incredibleness -- (the quality of being incredible)