signatory

• POS: Adjective, Noun
• HYPHEN: sig=na=to=ry

CIDE DICTIONARY

signatory, a. [L. signatorius.].

•  Relating to a seal; used in sealing.  Bailey.  [1913 Webster]
•  Signing; joining or sharing in a signature; as, signatory powers.  [1913 Webster]

signatory, n. 

 A signer; one who signs or subscribes; as, a conference of signatories.  [1913 Webster]

OXFORD DICTIONARY

signatory, n. & adj.
--n. (pl. -ies) a party or esp. a State that has signed an agreement or esp. a treaty.
--adj. having signed such an agreement etc.

Etymology

L signatorius of sealing f. signare signat- mark