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There are a number of different ways a document or idea is 'officially approved' both public and private; a government office, a respected appraiser, a publisher, etc. Some words that are used are:

  • accredit
  • attest
  • authenticate
  • authorize
  • certify
  • commission
  • endorse
  • guarantee
  • license
  • sanction
  • testify
  • validate
  • verify
  • witness
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13y ago

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