The American Heritage® Dictionary of the English Language, 4th Edition
adj. Of, containing, or being a notion; mental or imaginary.
adj. Speculative or theoretical.
adj. Linguistics Conveying an idea of a thing or of an action; having full lexical meaning as distinguished from relational meaning. The word did is notional in We did the work and relational in We did not agree.
adj. Of, containing, or being a notion; mental or imaginary.
adj. Speculative, theoretical, not the result of research.
adj. Having descriptive value as opposed to a syntactic category.
adj. Used to indicate an estimate or a reference amount
the GNU version of the Collaborative International Dictionary of English
adj. Consisting of, or conveying, notions or ideas; expressing abstract conceptions.
adj. Existing in idea only; visionary; whimsical.
adj. Given to foolish or visionary expectations; whimsical; fanciful.
The Century Dictionary and Cyclopedia
Pertaining to or expressing a notion or general conception; formed by abstraction and generalization; also, produced by metaphysical or logical reflection.
Imaginary; ideal; existing in idea only; visionary; fantastical.
Dealing in imaginary things; whimsical; fanciful: as, a notional man.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. indulging in or influenced by fancy
adj. being of the nature of a notion or concept
adj. not based on fact; unreal
adj. not based on fact or investigation
Word Usage
"Alongside the regular steps to the building's 59th Street entrance, Mr. Abadan has created what he calls "notional" steps, too far apart to be comfortably ascended, but well-suited for seating."