naturalization

noun

plural naturalizations
: the act or process of naturalizing : the state of being naturalized: such as
a
: the course of action undertaken to become a citizen of a country other than the country where one was born
I complete the application for naturalization, wondering whether I know enough American history and government, and whether I could be disqualified for not knowing all the unmemorable lines of Francis Scott Key's "Star Spangled Banner."—Judy Ray
b
of a non-native plant or animal : the process of becoming or the state of being established in the wild so that growth and reproduction are possible without human intervention
This phenomenon follows the typical pattern of invading plant and animal species, the gradual process of naturalization by which ecological balance tends to reassert.—John Eastman

Examples of naturalization in a Sentence

Recent Examples on the Web
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The music icon, who hails from Canada, announced the news on Instagram, sharing a photo of herself beaming while holding an American flag along with a video from her naturalization ceremony. — Ashley Hume, FOXNews.com, 15 Oct. 2026 According to the Justice Department, Merlien participated in the scheme in the years preceding her naturalization. — Antonio María Delgado, Miami Herald, 9 Oct. 2026 The backlog of pending applications for adjustment of status for asylum seekers has increased by about 80%, and for naturalization by 50%. — Data Journalist, CBS News, 8 Oct. 2026 He is charged with false statements in relation to naturalization. — Maven Navarro, Fort Worth Star-Telegram, 15 Sep. 2026 See All Example Sentences for naturalization

Word History

First Known Use

1558, in the meaning defined above

Time Traveler
The first known use of naturalization was in 1558

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Cite this Entry

“Naturalization.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/naturalization. Accessed 19 Oct. 2026.

Kids Definition

naturalization

noun
nat·​u·​ral·​i·​za·​tion
ˌnach-(ə-)rə-lə-ˈzā-shən
: the act or process of naturalizing : the state of being naturalized
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