naturalization

Example:The former citizen experienced a peaceful renunciation of his passport from his old country.

Definition:The act of formally giving up or rejecting a claim, right, or status, especially as a citizen of a country.

Example:He faced criticism for his expatriation and renunciation of his former citizenship.

Definition:The act of leaving one's country permanently and renouncing one's citizenship.

Example:Her illegal entry was leading to indefinite detention without the possibility of naturalization.

Definition:The official act of keeping a person in custody, especially for illegal entry or other reasons, rather than granting citizenship.