Act
Act noun - A rule of conduct or action laid down by a governing authority and especially a legislature.
Usage example: the Americans with Disabilities Act requires public buildings to have wheelchair access
Legislation is a synonym for act in law topic. In some cases you can use "Legislation" instead a noun "Act".
Legislation
Legislation noun - The act of making or enacting laws.
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Synonyms for Legislation
Act is a synonym for legislation in law topic. You can use "Act" instead a noun "Legislation", if it concerns topics such as law of a government.
Mutual synonyms
How words are described
Both words in one sentence
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The government didn't act out against them until antitrust legislation was finally introduced over a decade after they gained power.
Source: Screw the Rules, I Have Money! -
President Garrett Walker's education bill, a sweeping piece of reform legislation that he aims to pass within his first 100 days in office, bears some resemblance to Obama's healthcare reform act.
Source: Series / House of Cards (US) - The "trusts" were probably the most famous expression; the first competition legislation—the Sherman Anti-Trust Act—appeared in this era.
Source: The Gilded Age
Cite this Source
Legislation and Act. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/act/legislation
Act & Legislation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/act/legislation>.
Legislation or Act. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/act/legislation.
Google Ngram Viewer shows how "act" and "legislation" have occurred on timeline