[{"Bold_text": "verb (used with object)", "List Items": ["to attest as certain; give reliable information of; confirm:He certified the truth of his claim.Synonyms: guarantee , validate , verify , corroborate", "to testify to or vouch for in writing:The medical examiner will certify his findings to the court.", "to guarantee; endorse reliably:to certify a document with an official seal.", "to guarantee (a check) by writing on its face that the account against which it is drawn has sufficient funds to pay it.", "to award a certificate (a person) attesting to the completion of a course of study or the passing of a qualifying examination.", "to declare legally insane and committable to a mental institution.", "Archaic.to assure or inform with certainty."]}, {"Bold_text": "verb (used without object)", "List Items": ["to give assurance; testify; vouch for the validity of something (usually followed byto)."]}]