1. The process of granting citizenship to a foreign-born person; the act of becoming a citizen of a country.
Usage: Plural form of naturalisation; British English spelling (American English: naturalization)
2. The process of introducing and establishing a plant or animal species in a region where it is not native.
Usage: Biology/ecology context
3. The process of making something seem natural or normal; adaptation to a new environment or culture.
Usage: General usage

Examples

• The government processed thousands of naturalisations last year.
• Many immigrants pursue naturalisations to gain full citizenship rights.
• The naturalisations of rabbits in Australia had significant ecological consequences.
• Plant naturalisations in gardens often occur when species escape cultivation.
• Cultural naturalisations happen gradually as newcomers integrate into society.
• The legal requirements for naturalisations vary by country.
• Successful naturalisations of invasive species can alter entire ecosystems.