fanciful, ideal, imaginary, visionary, chimerical, unreal, fabricated, fictitious

indulge in speculation, imagine, let thoughts roam

indulge in vain speculations or absurd fancies, build castles in the air

vain speculations

apparition, spectre, phantom

archaic mentality, outdated thinking

delicacy or subtlety of idea or perception, elegance of thoughts

enlightenment, broad-mindedness

freshness of ideas

fresh thoughts

narrow outlook, point of view

lack of consistency in thoughts

unison, of same thoughts, views

imaginary painting, something not real

a pipe dream, vain imaginations, crude ideas, crude or wrong ideas, fancy,

immature, undeveloped

unmindful

the ideal being

imaginary, whimsical topic

hallucination, daydreaming

capricious, whimsical

imaginary chandelier

imaginary form

explaining a difficult idea with ease

imaginary figure, imaginary portrait