countersign
definition: a second confirming signature endorsing a document already signed
example:
speech part: noun
synonyms:
countersignature
definition: a secret word or phrase known only to a restricted group
example:
speech part: noun
synonyms:
parole
definition: to add one's signature to after another's to attest authenticity
example: You must countersign on this line of the contract.
speech part: verb
synonyms: