[no.tion.al] adj (1597) 1: theoretical, speculative
2: existing in the mind only: imaginary
3: given to foolish or fanciful moods or ideas
4. a: of, relating to, or being a notion or idea: conceptual b (1): presenting an idea of a thing, action, or quality "has is ~ in he has luck, relational in he has gone" (2): of or representing what exists or occurs in the world of things as distinguished from syntactic categories -- no.tion.al.i.ty n -- no.tion.al.ly adv