signatory

 
Pronunciation: /ˈsɪgnət(ə)ri/

noun (plural signatories)

  • a party that has signed an agreement, especially a state that has signed a treaty: Britain is a signatory to the convention [as modifier]: the signatory states

Origin:

late 19th century: from Latin signatorius 'of sealing', from signat- 'marked (with a cross)', from the verb signare

Spelling help

The ending of signatory should be spelled -ory.