1) Alter 2) Change 3) Denaturalise 4) Make unnatural 5) Modify 6) To make less natural 1) Denaturalise 
• (v. t.) To renounce the natural rights and duties of; to deprive of citizenship; to denationalize. • (v. t.) To render unnatural; to alienate from nature.
De·nat'u·ral·ize transitive verb [ imperfect & past participle Denaturalized ; present participle & verbal noun Denaturalizing .] [ Confer French dénaturaliser .] 1. To render unnatural; to alienate from nature. 2....
[v] - make less natural or unnatural 2. [v] - strip of the rights and duties of citizenship
denaturalise verb strip of the rights and duties of citizenship; `The former Nazi was denaturalized`
to deprive of proper or true nature; make unnatural. · to deprive of the rights and privileges of citizenship or of naturalization.