That can be conceived, understood, imagined, or believed
The definition of trustworthy is someone who is honest who can be entrusted with your secrets or with anything else of importance.
Without deceit, pretense, or hypocrisy; truthful; straightforward; honest
Capable of eliciting belief or trust.
Persuasive or ingratiating, especially in an effort to deceive.
Following a direct or correct method or approach; systematic:
Well-grounded on principles or evidence; able to withstand criticism or objection, as an argument; sound
The definition of incredible is something so unbelievable or so unusual that it is hard to believe.
Not conceivable in the imagination.
Not promising; likely to fail.
Not plausible; not credible
Not likely to be true.
(Usage Problem) Insupportable; intolerable.
Seemingly genuine or legally valid:
(Obs.) Having good financial credit
Authoritative is defined as someone who knows a great deal about a certain subject and who is generally considered an expert.
(Obs.) Full of faith, esp. religious faith
Find another word for credible. In this page you can discover 38 synonyms, antonyms, idiomatic expressions, and related words for credible, like: reliable, conceivable, trustworthy, sincere, dependable, convincing, probable, impossible, likely, specious and aboveboard.