notion
nounA belief or opinion.
nounA mental image; an idea or conception: synonym: idea.
nounAn impulse or whim.
nounSmall lightweight items for household use, such as needles, buttons, and thread.
nounA general concept; a mental representation of a state of things.
nounA thought; a cognition.
nounIn the Lockian philos., a complex idea.
nounIn the Hegelian philos., that comprehensive conception in which conflicting elements are recognized as mere factors of the whole truth.
nounAn opinion; a sentiment; a view; especially, a somewhat vague belief, hastily caught up or founded on insufficient evidence and slight knowledge of the subject.
nounA desire, inclination, intention, or sentiment, generally not very deep nor rational; a caprice; a whim.