- a branch of knowledge or study dealing with a body of facts or truths systematically arranged andshowing the operation of general laws: "the mathematical sciences."
- systematic knowledge of the physical or material world gained through observation and experimentation
- origin: via Old French from Latin scientia knowledge, from scīre to know
- synonyms: discipline, information, system
- a truth known by actual experience or observation; something known to be true: "Scientists gather facts about plant growth."
- a truth verifiable from experience or observation
- origin: from Latin factum something done, from factus made, from facere to make
- synonyms: evidence, experience, verity
- the class of literature comprising works of imaginative narration, especially in prose form
- an imaginary thing or event, postulated for the purposes of argument or explanation
- origin: from Latin fictiō a fashioning, hence something imaginary, from fingere to shape
- synonyms: fable, legend, myth