1 (uncountable) The property of being mentally ill; mental disorders taken as a whole.  2006, R. Keith Sawyer, Explaining Creativity: The Science of Human Innovation, Oxford University Press US, ISBN 9780195161649, page 87:
Essay on Gulliver's change throughout Gulliver's Travels - Gulliverâs change throughout Gulliverâs Travels Throughput the book âGulliverâs Travelsâ by Jonathan Swift, the character Gulliver changes many times. During and after part two and four of the book a noticeable change in Gulliver starts to occur.
Jonathan Swift was a writer in the 16th century. One of his greatest novels was Gulliver's Travels. This book includes many instances of satire, and Swift is not afraid to speak his mind about politics, science, and society. His novel is full of his opinions, and the parallels between his story and the real world in his time are remarkable.