cosign

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cosign

v. to sign a promissory note or other obligation in order to share liability for the obligation.

cosign

verb accredit, answer for, approve, assure, authorize, back, be surety for, certify, confirm, countersign, endorse, give assurance, give one's signature, guarantee, indorse, insure, promise, ratify, secure, support, undersign, underwrite, validate, vouch for
Associated concepts: accommodation indorser, accommooation party
See also: indorse, witness
References in periodicals archive ?
The Ontario Medical Association, meanwhile, has been bringing cases of alleged professional misconduct against medical practitioners who cosigned prescriptions for U.
The server then cosigned the submitted documents along with the certificate validation records with the server's digital credentials using SecureXML's server side signing technology, thereby making these signed documents archivable such that the validity of the signer's certificates could be guaranteed even 100 years later, long after the certificate used for signing has expired, without having access to the certificate server of the certificate issuing party.
You're only liable for debts on cosigned or joint accounts that are related to your purchases.