fantaisie
/fɑ̃tɛz.i/Definitions
1. noun
a flighty or fanciful idea; a whimsical notion
“The artist’s latest creation was a product of her wild fantaisie about the future.”
2. noun
a fanciful and imaginative quality, especially in art or literature
“The novel’s use of vivid imagery and fantasy added a touch of fantaisie to the narrative.”