As a Noun:
1. Formal acceptance of a document by the government or by someone in authority, especially if that is shown by a stamp or mark on it. English = certification, approval.
2. Formal acceptance of a policy or action by the government or by someone in authority. English = approval.
As a Verb or Adjective:
1. Of a document, to be formally accepted by the government or by someone in authority, especially by having been stamped or marked in some way. English = (be) official, (be) certified, (be) approved.
2. Of a policy, action, to be formally accepted by the government or by someone in authority. English = (be) approved, (be) official.