neologism >> /niːˈɒlədʒɪzəm/
Definition: [noun] A word or phrase which has recently been coined; a new word or phrase.
Definition: [noun] The act or instance of coining, or uttering a new word.
Definition: [noun] The newly coined, meaningless words or phrases of someone with a psychosis, usually schizophrenia.
Definition: [noun] The introduction of new doctrine, for example in theology.