IPA: /ˈnoʊʃənəli/
KK: /ˈnoʊʃənəli/
In a way that is based on a concept or idea rather than something real or practical.
The project was notionally approved, but it still needed funding to move forward.
Notionally → It is formed from "notion" (from Latin *notio*, meaning a concept or idea) and the suffix "-ally" (meaning in a manner relating to). The word "notionally" means in a way that relates to a concept or idea.
Think of 'notion' as a concept or idea, and remember that 'notionally' means relating to that idea.