We have put together a list of words that are similar to NATURALIZATION.

10 Alternative Words Similar to naturalization

2 Adoption Noun      Synonym Words Like Adoption
3 Borrowing Noun      Synonym Words Like Borrowing
4 Debut Noun      Synonym Words Like Debut
5 Entry Noun      Synonym Words Like Entry
6 Introduction Noun      Synonym Words Like Introduction
7 Launching Noun      Synonym Words Like Launching
8 Proceeding Noun      Synonym Words Like Proceeding
9 Proceedings Noun      Synonym Words Like Proceedings
10 Unveiling Noun      Synonym Words Like Unveiling

9 definitions of naturalization

1 The act or process of naturalizing, esp. of investing an alien with the rights and privileges of a native or citizen; also, the state of being naturalized.
2 the proceeding whereby a foreigner is granted citizenship
3 the quality of being brought into conformity with nature
4 the introduction of animals or plants to places where they flourish but are not indigenous
5 changing the pronunciation of a borrowed word to agree with the borrowers' phonology
6 The act of naturalizing, or the state of being naturalized; specifically, in law, the act of receiving an alien into the condition, and investing him with the rights and privileges, of a natural subject or citizen.
7 The action of naturalizing somebody.
8 The admission or adoption of foreign words or customs into general use.
9 The introduction and establishment of an animal or plant into a place where it is not indigenous.
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide