Neoteric :: Neoteric (n.) One of modern times; a modern.
Neoterism :: Neoterism (n.) An innovation or novelty; a neoteric word or phrase.
Neoterist :: Neoterist (n.) One ho introduces new word/ or phrases.
Neoterize :: Neoterize (v. i.) To innovate; to coin or introduce new words.