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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
The second, much less discussed, component required the five signatories already in possession of nuclear weapons at the time the treaty was signed (the U.S., USSR, U.K., France, and China) to work towards abolition of these terrible weapons.
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David Faris, MSNBC Newsweek, 26 June 2025
The signatories include: Mary Cunningham Mary Cunningham is a reporter for CBS MoneyWatch.
—Mary Cunningham, CBS News, 23 June 2025
That pact will inspire confidence and make peace to the extent that all signatories and other affected parties (including Israel) still trust in international law and legitimacy.
—Andreas Kluth, Mercury News, 28 June 2025
High-profile signatories include presenters Martine Croxall, Samira Ahmed, and Kasia Madera.
—Jake Kanter, Deadline, 27 June 2025
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David Faris, MSNBC Newsweek, 26 June 2025
The signatories include: Mary Cunningham Mary Cunningham is a reporter for CBS MoneyWatch.
—Mary Cunningham, CBS News, 23 June 2025
That pact will inspire confidence and make peace to the extent that all signatories and other affected parties (including Israel) still trust in international law and legitimacy.
—Andreas Kluth, Mercury News, 28 June 2025
High-profile signatories include presenters Martine Croxall, Samira Ahmed, and Kasia Madera.
—Jake Kanter, Deadline, 27 June 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 11 Jul. 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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