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
Decree is a synonym for act in law topic. In some cases you can use "Decree" instead the word "Act" as a noun or a verb, when it comes to topics like legislative document.
Both words in one sentence
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Not only is Elsa having all trade with his country cut off due to his blatant act of attempted regicide, but Elsa has ordered that his name be pronounced on the decree as "Weasel Town" just because she knows it will royally piss him off even further.
Source: Disney / Frozen -
To quote section II.1 of the OKH (Army High Command) Barbarossa Decree of 13/5/1941: "For acts which members of the Wehrmacht or its retinue commit against enemy civilians, there is no compulsion to prosecute, even when the act represents at the same time a military crime or offense."
Cite this Source
Decree and Act. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/act/decree
Act & Decree. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/act/decree>.
Decree or Act. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/act/decree.
Google Ngram Viewer shows how "act" and "decree" have occurred on timeline