signatory

[sig-nuh-tawr-ee, -tohr-ee]

adjective

1. having signed, or joined in signing, a document.

   the signatory powers to a treaty.

noun

plural

signatories 

1. a signer, or one of the signers, of a document.

   France and Holland were among the signatories of the treaty.

signatory

/ ˈsɪɡnətərɪ, -trɪ /

noun

1. a person who has signed a document such as a treaty or contract or an organization, state, etc, on whose behalf such a document has been signed

adjective

1. having signed a document, treaty, etc

Other Word Forms

• nonsignatory adjective

Word History and Origins

Origin of signatory¹

1640–50, in earlier sense “used in affixing seals”; 1860–65 signatory for def. 2; < Latin signātōrius of, belonging to sealing, equivalent to signā ( re ) to mark, seal ( sign ) + -tōrius -tory ¹

Word History and Origins

Origin of signatory¹

C17: from Latin signātōrius concerning sealing, from signāre to seal, from signum a mark

Example Sentences

In interviews with Votebeat Michigan reporter Hayley Harding, two of the letter’s signatories did not go into specifics about what they were envisioning; you can read our full report on the letter here.

Read more on Salon

Two senior EU officials were also among the signatories.

Read more on BBC

Around that time, both Kahn and Indyke had signatory authority on some accounts.

Read more on The Wall Street Journal

Pocan and the 30 other House Democratic signatories voiced alarm over the memo’s potential to overreach.

Read more on Salon

Other signatories included consumer watchdog Which? the Football Supporters' Association and groups representing the music and theatre industries, venues, and ticket retailers.

Read more on BBC

Related Words

• autograph 
• identification 
• ink 
• name 
• seal 
• stamp 
• trademark