b (1): presenting an idea of a thing, action, or quality <has is notional 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·ly\ˈnō-shnə-lē, -shə-nəl-ē\adverb
See notional defined for English-language learners
Examples of NOTIONAL
The notional earnings of the company were close to the actual ones.
<she has a notional understanding of romantic love but no actual experience of being in love>