apparition, spectre, phantom

thoughts, ideas, imaginations, conceptions

vain thoughts, absurd ideas, ill-grounded expectations

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

idea-illuminating, inspiring

absurd idea

thought of the unhappy heart

consideration, thought of public view

crude notion, vain or ridiculous idea

a crude notion, silly idea, vain or ridiculous idea

a difficult thought, a thought which would hardly come to fruition

wrong idea, misconception, false notion

of an unreasonable expectation to realize

someone or something come to mind, contemplate

city of imagination

expression of an idea, imagining, imaginative expression, guessing

land of ideas, visions and imagination

indulge in speculation, imagine, let thoughts roam

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

the ideal being

archaic mentality, outdated thinking

imaginary painting, something not real

delicacy or subtlety of idea or perception, elegance of thoughts

enlightenment, broad-mindedness

freshness of ideas

fresh thoughts

capricious, whimsical

imaginary, whimsical topic

narrow outlook, point of view