The term 'highly original' can be summarized by two crossword solutions: 'seminal' and 'NOVEL'. 'Seminal' is an adjective meaning of great importance or influence, especially in the development of something. It is often used to describe a work that has had a major impact on its field. 'NOVEL' is an adjective meaning new, original, and different from what has been seen before. It is often used to describe something that is innovative and creative. Together, these two words describe something that is highly original and influential.