fanciful

(s) indulging in or influenced by fancy
- a fanciful mind
- all the notional vagaries of childhood
notional,
(s) not based on fact; unreal
- the falsehood about some fanciful secret treaties - F.D.Roosevelt
- a small child's imaginary friends
- to create a notional world for oneself
imaginary, notional,
(s) having a curiously intricate quality
- a fanciful pattern with intertwined vines and flowers

notional imaginary

fancify

fancifully