noun
naturalization
nach-ruh-luh-ZAY-shun/ˌnætʃrələˈzeɪʃn/
The process by which a foreign-born person becomes a citizen of a country.
She received citizenship through naturalization.

Etymology
Here natural carries its older sense “by birth”: to naturalize someone is to grant a foreigner the rights of a native-born citizen. Naturalization names that change in legal status.
In context
puerto ricans of course are american citizens so do not have to go through any sort of naturalization process to be eligible to vote but they do need to be mobilized and turned out and brought onto the registration roles
More examples
- The family attended his naturalization ceremony.
- The application listed the requirements for naturalization.
- Naturalization gave him the right to vote in national elections.
Forms
naturalization
naturalize verb — grant or acquire citizenship
Similar words
- citizenship
- Citizenship is legal membership in a country; naturalization is a process of acquiring it.
- immigration
- Immigration concerns moving to a country; it does not itself confer citizenship.