Notional /(?)/

No·tion·al

Notional

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.
  3. Given to foolish or visionary expectations; whimsical; fanciful; as, a notional man.