The crossword solution for the term 'Fairy-Tale Penultimate Word' is 'EVER, ' which is a four-letter word. The word 'EVER' is an adverb that means 'at any time' or 'at all times.' It is often used to emphasize a point or to express a strong feeling. In fairy tales, it is often used to emphasize the magical elements of the story, such as when a character says 'EVER after' to signify a happily-EVER-after ending.