Akademik

credibleness
noun
the quality of being believable or trustworthy
Syn: ↑credibility, ↑believability
Ant: ↑incredibility (for: ↑credibility)
Derivationally related forms: ↑believable (for: ↑believability), ↑credible, ↑credible (for: ↑credibility)
Hypernyms: ↑quality
Hyponyms:
authenticity, ↑genuineness, ↑legitimacy, ↑cogency, ↑validity, ↑rigor, ↑rigour, ↑plausibility, ↑plausibleness, ↑street credibility, ↑street cred, ↑cred
Attrubites: ↑credible, ↑believable, ↑incredible, ↑unbelievable

Useful english dictionary. 2012.