Synonyms of the word 
PLAUSIBLENESS → BELIEVABILITY - CREDIBILITY - CREDIBLENESS - PLAUSIBILITY
plausibleness
- n. The state or quality of being plausible.
believability
- n. The state or quality of being believable.
credibility
- n. Reputation impacting one's ability to be believed.
- n. (law) Believability of statements by a witness, as measured by whether the testimony is probable or improbable…
credibleness
- n. The state or quality of being credible.
plausibility
- n. The quality of being plausible; speciousness.
- n. Anything plausible or specious.
- n. (obsolete) Something worthy of praise.
If you are interested in words, visit the following sites :
- wiktionary.org/plausibleness For complete definition of a word
- 1word.ws/plausibleness to play with words, suffixs, prefixs, etc.