The crossword solution for the term 'Swiftly, to Shakespeare' is APACE, which is a 5-letter word. In literature, the term 'APACE' is used to describe something that is happening quickly or rapidly. It is often used in the works of William Shakespeare, who was an English playwright and poet during the late 16th and early 17th centuries. Therefore, the crossword solution 'APACE' is an appropriate answer to the term 'Swiftly, to Shakespeare'.