neological
/ˌniːəˈlɒdʒɪkl/adjective
1Of, involving, characterized by, or containing new words or phrases. Also (of a word or phrase): newly coined.
2 Theology. Of, relating to, or characterized by the adoption of novel (especially rationalistic) views or doctrines. Now historical.
Origin
Mid 18th century; earliest use found in Philip Stanhope (1694–1773), politician and diplomatist. From neo- + -logical. In sense 1 after French néologique.