Verifiable a. : Capable of being verified; confirmable.

Example:
How do I add seasoned Verifiable tradeline to my credit to boost my score?

Taxonomy
claims, Verifiability, WP, editors, Self-published, Reliable sources, Questionable sources, reliability, guidelines, claims made, free encyclopedia, quotations, viewpoint, third parties, languages, shortcuts, reliable source, Burden.

Defination from the web:
... For discussions concerning the reliability of particular sources, see the reliable sources noticeboard. ...