Meaning of مستند in English

Having a genuine original or authority, in opposition to that which is false, fictitious, counterfeit, or apocryphal; being what it purports to be; genuine; not of doubtful origin; real; as, an authentic paper or register.
Authoritative.
Of approved authority; true; trustworthy; credible; as, an authentic writer; an authentic portrait; authentic information.
Vested with all due formalities, and legally attested.
Having as immediate relation to the tonic, in distinction from plagal, which has a correspondent relation to the dominant in the octave below the tonic.
An original (book or document).
Of or pertaining to an author.
Having, or proceeding from, due authority; entitled to obedience, credit, or acceptance; determinate; commanding.
Having an air of authority; positive; dictatorial; peremptory; as, an authoritative tone.
Without authority; not authoritative.