naturalization

Cultural  

1. The process by which a foreign citizen becomes a citizen of a new country. Millions of immigrants to the United States have become American citizens. Requirements for naturalization in the United States include residency for several years, ability to communicate in English, demonstrated knowledge of American history and government, and a dedication to American values that includes no membership in subversive organizations, such as the Communist party.

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Explanation

Use the noun naturalization to describe what happens when someone becomes a brand new citizen of a country. If you're born in one country but want to become a citizen of another, you'll have to go through the process of naturalization. There are certain rules and processes involved in naturalization, depending on the country, but you usually have to live there for a certain number of years and swear an oath of loyalty. When biologists use the word naturalization, they're talking about moving plants or animals to a new place where they can thrive.

Example Sentences

On a group call in November, they traded examples, saying they recognized neighbors, colleagues and people they’d helped to register at naturalization ceremonies.

From Salon • Feb. 27, 2026

Prosecutors said Puig lied on an application as part of his US naturalization process in 2019 when he denied ever gambling illegally.

From Barron's • Feb. 6, 2026

He abolished the fast-track naturalization program that allowed foreigners to obtain citizenship after three years.

From The Wall Street Journal • Dec. 14, 2025

Years of navigating paperwork, approvals, tests, and security vetting, had brought her to the last step: a naturalization ceremony.

From BBC • Dec. 14, 2025

We were supposed to repeat the words of the naturalization oath as he said them, but his voice echoed off the walls incoherently.

From "Americanized" by Sara Saedi