credibility
Pronunciation: /krɛdɪˈbɪlɪti/
noun
- the quality of being trusted and believed in: the government’s loss of credibility
- the quality of being convincing or believable: the book’s anecdotes have scant regard for credibility
- another term for street credibility.

Origin:
mid 16th century: from medieval Latin credibilitas, from Latin credibilis (see credible)