a traditional or legendary story, usually concerning some being or hero or event, with or without a determinable basis of fact or a natural explanation, esp. one that is concerned with deities or demigods and explains some practice, rite, or phenomenon of nature.

stories or matter of this kind

realm of myth.

any invented story, idea, or concept

His account of the event is pure myth.

an imaginary or fictitious thing or person.

an unproved or false collective belief that is used to justify a social institution.

noun

fact , non-fiction , truth

noun

allegory , apologue , creation , delusion , fable , fabrication , fairy story , fancy , fantasy , fiction , figment , folk ballad , folk tale , illusion , imagination , invention , legend , lore , mythos , parable , saga , superstition , tale , tall story , tradition , folklore , mythology , anecdote , story