fable
noun
2 the fables of ancient Greece:
myth, legend, saga, epic, folk tale, folk story, traditional story, tale, story, fairy tale, narrative, romance;
folklore, lore, mythology, fantasy, oral history, tradition, folk tradition, old wives' tales;
technical mythos, mythus;
informal yarn.
3 it's a fable that I have a taste for fancy restaurants:
falsehood, fib, fabrication, deception, made-up story, trumped-up story, fake news, invention, concoction, piece of fiction, fiction, falsification, falsity, fairy story/tale, cock and bull story;
lie, untruth, barefaced lie;
(little) white lie, half-truth, exaggeration, prevarication, departure from the truth, alternative fact;
yarn, story, red herring, rumour, myth, flight of fancy, figment of the imagination;
pretence, pretext, sham, ruse, wile, trickery, stratagem;
informal tall story, tall tale, whopper;
British, informal porky, pork pie, porky pie;
humorous terminological inexactitude;
vulgar slang bullshit;
Australian, New Zealand, vulgar slang bulldust.
fable Oxford Dictionary of English