| 1. | pertaining to or expressing a notion or idea. |
| 2. | of the nature of a notion or idea: a notional response to the question. |
| 3. | abstract, theoretical, or speculative, as reflective thought. |
| 4. | not real or actual; ideal or imaginary: to create a notional world for oneself. |
| 5. | given to or full of foolish or fanciful ideas or moods. |
| 6. | Grammar.
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| 7. | Semantics. belonging to a class of words that express clear concepts rather than relations between concepts; presentive. Compare relational (def. 3), symbolic (def. 4). |