IPA: //fænˌtæstɪˈkælɪti//
KK: /fæntæ'stɪkəlɪti/
The quality of being fantastical or imaginative, often involving elements that are strange or unusual.
The fantasticality of the story captivated the audience, transporting them to a world of magic and wonder.
Fantasticality → It is formed from "fantastic" (from Greek "phantastikos", meaning imaginative or visionary) and "-ality" (a suffix indicating a state or condition). The word "fantasticality" refers to the quality or state of being fantastic or imaginative.
Think of the word 'fantastic' which relates to being imaginative, and remember that 'fantasticality' describes the state of having that imaginative quality.