certified as a true copyconfirmada como copia auténtica;to certify that...declarar que...
to certify sb (insane)certificar que algn no está en posesión de sus facultades mentales
the Minister for Defence Procurement attempted to have him certified as insaneShe was certified insane, and sent away to a mental asylumallegations that political dissidents were being certified as insane
you ought to be certified!especially¡estás como una cabra!;¡estás para que te encierren!