produced by a wildly fanciful imagination; "his Utopia is not a chimerical commonwealth but a practical improvement on what already exists"- Douglas Bush
in or belonging to the air or operating (for or by means of aircraft or elevated cables) in the air; "aerial particles"; "small aerial creatures such as butterflies"; "aerial warfare"; "aerial photography"; "aerial cable cars"
indulging in or influenced by fancy; "a fanciful mind"; "all the notional vagaries of childhood"
having a curiously intricate quality; "a fanciful pattern with intertwined vines and flowers"
not based on fact; dubious; "the falsehood about some fanciful secret treaties"- F.D.Roosevelt; "a small child's imaginary friends"; "her imagined fame"; "to create a notional world for oneself"