(n)  /ˌkred.əˈbɪl.ə.ti/ (C2) the fact that someone or something can be believed or trusted

tin tưởng

He complained that we had tried to undermine his credibility within the company.

lack credibility: their data tended to lack credibility because their methods were not explained.

credibility as: his arrest for lewd behaviour seriously damaged his credibility as a religous leader.