What is another word for hast notion?
Pronunciation: [hˈe͡ɪst nˈə͡ʊʃən] (IPA) 
Hast notion refers to a hasty or quick idea. Synonyms for this term could include impulsive notion, fleeting thought, sudden inspiration or snap decision. Other possible synonyms include sudden insight, spur-of-the-moment idea or intuitive impulse. These terms all indicate a quick, often unplanned, thought or concept that comes to mind without much forethought or reflection. They may suggest a sense of urgency or impulsiveness, or a sudden burst of creativity or inspiration. Whatever the context, these synonyms all convey the idea of a fleeting or immediate notion that occurs without warning or preparation.
