No"tion*al (?), a.
1.
Consisting of, or conveying, notions or ideas; expressing abstract conceptions.
2.
Existing in idea only; visionary; whimsical.
Discourses of speculative and notional things.
Evelyn.
3.
Given to foolish or visionary expectations; whimsical; fanciful; as, a notional man.
© Webster 1913.