Definition: Ascriptitius is a fictional character from the "Harry Potter" series by J.K. Rowling. He is a student at Hogwarts School of Witchcraft and Wizardry, and is known for his intelligence, wit, and ability to predict events. Ascriptitius is often portrayed as being intelligent beyond his years, with a knack for solving riddles and puzzles. He also has a love for the wizarding world and is frequently seen interacting with characters from other worlds or magical creatures.