しんぴょうせい
Meanings
Noun
1. authenticity; credibility
Kanji used
belief
possessed
nature (of a person)
Pitch accent
んぴょうせい
Top 13800
Composed of
trust; credit; credence
nature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); gender; -ty
Examples (2 in total)
They've lost all credibility.
Your explanation is more convincing.