nat·u·ral·ize [ náchərə lz, náchrə lz ](past and past participlenat·u·ral·ized, present participlenat·u·ral·iz·ing, 3rd person present singularnat·u·ral·iz·es)
verb
Definition:
1. transitive and intransitive verb grant or acquire citizenship: to grant citizenship to somebody of foreign birth, or to acquire citizenship in an adopted country
2. transitive verb introduce something foreign into general use: to introduce something foreign such as a word or custom into general use or into the language of a community
3. transitive and intransitive verb acclimatize plant or animal: to cause a plant or animal from another region to become established in a new environment, or adapt successfully to new environmental conditions
4. transitive verb explain something in natural terms: to explain a phenomenon in terms of natural causes, rather than supernatural causes
5. transitive verb make something natural: to make something natural or lifelike