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certificate

/səˈtɪfɪkət/ · cer·ti·fi·cate
noun
  1. A document containing a certified statement. The lawyer presented the certificate of authenticity to the court.
  2. A document evidencing ownership or debt. The certificate of ownership for the car was lost in the move.
  3. A document serving as evidence that a person has completed an educational course, issued either by an institution not authorised to grant diplomas, or to a student not qualifying for a diploma. She received a certificate of completion for the online course, despite not meeting the requirements for a diploma.
verb
  1. To supply with a certificate, especially following certification. The company certified the employee and issued a certificate of completion.
Did you know? The term 'certificate' has been in use since the 14th century, initially referring to a written statement confirming the authenticity of a document or transaction.
Written by Lexi Wordsworth, Dictionary Editor 2 lookups Added Jul 24, 2026