- Hypothetical or imaginary - Ideal or imaginary - In theory only - Consisting of, or conveying, notions or ideas; expressing
abstract conceptions. - Existing in idea only; visionary; whimsical. - Given to foolish or visionary expectations; whimsical;
fanciful; as, a notional man.
- arbitrary - Capricious - Imaginary - Full of fancy; guided by fancy, rather than by reason and
experience; whimsical; as, a fanciful man forms visionary projects. - Conceived in the fancy; not consistent with facts or
reason; abounding in ideal qualities or figures; as, a fanciful scheme;
a fanciful theory. - Curiously shaped or constructed; as, she wore a fanciful
headdress.