VERB. 证明;出具证明;证实. If someone in an official position certifies something, they officially state that it is true. VERB. 扣押;没收. If something is impounded by policemen, customs officers or other officials, they officially take possession of it because a law or rule has been broken. VERB. 引渡. If someone is extradited, they are officially sent back to their own or another country to be tried for a crime that they have been accused of.
Is he sound on state education? ie Are his views well founded, officially acceptable, etc?