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A signatory puts his or her signature on a document that is also signed by others. In 1215 the English barons revolted against King John and forced him to join them as a signatory to the Magna Carta. This agreement stated the barons' own duties to the King but also assigned the barons clear rights and limited the King's power over them. Though the Magna Carta did nothing for the common people, it's often been called the first step toward democracy in the English-speaking countries.
Examples of signatory in a Sentence
a signatory of the Declaration of Independence
Recent Examples on the Web
Discharge petitions require the backing of a simple majority of House members, or 218 signatories; in addition to the Republican defectors, twelve Democrats have so far signed Fitzpatrick’s petition, and 28 have signed Gottheimer and Kiggans’.
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Solcyré Burga, Time, 12 Dec. 2025
Durbin was one of the signatories of Thursday's letter.
—Scott MacFarlane, CBS News, 11 Dec. 2025
Although there undoubtedly are some billionaires and other high-net-worth individuals who are genuinely committed to the Giving Pledge, there has been recent criticism many of the signatories aren’t living up to the pledge.
—Sydney Lake, Fortune, 8 Dec. 2025
Of the 12 buyers that CRI looked at, many of them signatories of the Pakistan Accord, only Next offered detailed heat protection guidelines.
—Jasmin Malik Chua, Sourcing Journal, 5 Dec. 2025
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Solcyré Burga, Time, 12 Dec. 2025
Durbin was one of the signatories of Thursday's letter.
—Scott MacFarlane, CBS News, 11 Dec. 2025
Although there undoubtedly are some billionaires and other high-net-worth individuals who are genuinely committed to the Giving Pledge, there has been recent criticism many of the signatories aren’t living up to the pledge.
—Sydney Lake, Fortune, 8 Dec. 2025
Of the 12 buyers that CRI looked at, many of them signatories of the Pakistan Accord, only Next offered detailed heat protection guidelines.
—Jasmin Malik Chua, Sourcing Journal, 5 Dec. 2025
See All Example Sentences for signatory
Cite this Entry
“Signatory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/signatory. Accessed 14 Dec. 2025.
Copy CitationLegal Definition
signatory
noun
sig·na·to·ry
ˈsig-nə-ˌtōr-ē 
plural signatories
: a signer with another or others
signatories to a petition
especially
: a government bound with others by a signed convention
signatory
adjective
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