- naturalize⇄naturalize, verb, -ized,-izing.
- naturalize⇄v.i. 1. to become like a native.
2. to become a citizen of another country.
3. to be occupied with natural history. - naturalize⇄v.t. 1. to admit (a foreigner) to citizenship. After living in the United States for a certain number of years, an immigrant can be naturalized if he passes a test.
2. to adopt (a foreign word or custom).
Ex. ""Chauffeur"" is a French word t