Definition of notion
- notion Noun Mental apprehension of whatever may be known or imagined; an idea; a conception; more properly, a general or universal conception, as distinguishable or definable by marks or notæ.
- notion Noun A sentiment; an opinion.
- notion Noun Sense; mind. Shakespeare.
- notion Noun An invention; an ingenious device; a knickknack; as, Yankee notions.
- notion Noun Inclination; intention; disposition; as, I have a notion to do it.