The state or quality of being believable.

simple past tense and past participle of believe

present participle of believe

The act or process of having faith, trust, or confidence in. / Belief.

plural of believability

A strict follower of a doctrine. / One who believes dogmatically in something regardless of evidence or even conclusive proof that the thing is false or was staged; one who has true-believer syndrome.

(archaic) second-person singular simple present form of believe

(archaic) third-person singular simple present indicative form of belie

(archaic) second-person singular simple present form of belie

(idiomatic) You need to see something to believe it; visible facts cannot be denied. / (idiomatic) I am skeptical about your claim.