Akademik

cogency
noun
1. persuasive relevance
Derivationally related forms: ↑cogent
Hypernyms: ↑relevance, ↑relevancy
2. the quality of being valid and rigorous
Syn: ↑validity, ↑rigor, ↑rigour
Derivationally related forms: ↑rigorous (for: ↑rigor), ↑valid (for: ↑validity)
Hypernyms: ↑credibility, ↑credibleness, ↑believability

Useful english dictionary. 2012.