Cosignitary :: Cosignitary (a.) Signing some important public document with another or with others; as, a treaty violated by one of the cosignitary powers..
Cosignitary :: Cosignitary (n.) One who signs a treaty or public document along with others or another; as, the cosignitaries of the treaty of Berlin..
Dignitary :: Dignitary (n.) One who possesses exalted rank or holds a position of dignity or honor; especially, one who holds an ecclesiastical rank above that of a parochial priest or clergyman..