A procedure by which a third party gives written assurance that a product, process or service conforms to specified requirements.
(source: ISO/IEC Guide 2:1996)
validating the authenticity of something or someone
a document attesting to the truth of certain stated facts
the act of certifying
confirmation that some fact or statement is true
the act of certifying or bestowing a franchise on
confirmation that some fact or statement is true through the use of documentary evidence
