cosignatory

English Thesaurus

1. one of two or more signers of the same document (as a treaty or declaration) (noun.person)

hypernym	:	signatory, signer,
definition	:	someone who signs and is bound by a document (noun.person)

2. signing jointly with others (adj.all)

similar	:	joint,
definition	:	united or combined (adj.all)

3. one of two or more signers of the same document (as a treaty or declaration) (noun.person)

derivation	:	co-sign, cosign,
definition	:	sign jointly (verb.social)

derivation	:	co-sign, cosign,
definition	:	sign jointly (verb.social)