fabular
adjective
fab·u·lar ˈfa-byə-lər 
: of, relating to, or having the form of a fable
Example Sentences
Recent Examples on the Web The fabular quality that makes Green’s clothes feel like plausible garb for the interstellar colonists of the early twenty-second century has also endeared them to the pop stars of the early twenty-first. 
Ned Beauman, The New Yorker, 25 May 2017
Ned Beauman, The New Yorker, 25 May 2017 Word History
Etymology
borrowed from Latin fābulāris, from fābula "talk, account, fable entry 1" + -āris -ar
First Known Use
1684, in the meaning defined above