"Plausibleness" is a word in ENGLISH

plausibleness ENGLISH
Definition:

Quality of being plausible.

Few words of positivity

Mothers tend toward right on most things.

Kate Morton, The Forgotten Garden

WORD SUGGESTIONS
Laugh your heart out.

Jay: Does the Bible say that if you smoke you can't get toheaven?Ted: No, but the more you smoke the quicker you'll get there.

Want of plausibility; the quality of being implausible.

Read the complete definition
plausibility ENGLISH

The quality of being plausible; speciousness.

Read the complete definition