/ ˈkredəbl; NAmE / adjective
1.
that can be believed or trusted
SYN convincing :
a credible explanation / witness
It is just not credible that she would cheat.
2.
that can be accepted, because it seems possible that it could be successful
SYN viable :
Community service is seen as the only credible alternative to imprisonment.
► cred·ibly / -əbli; NAmE / adverb :
We can credibly describe the band's latest album as their best yet.
••
WORD ORIGIN
late Middle English : from Latin credibilis , from credere believe.