conceit
Pronunciation: /kənˈsiːt/
noun
- 2an ingenious or fanciful comparison or metaphor: the idea of the wind’s singing is a prime romantic conceit
- an artistic effect or device: the director’s brilliant conceit was to film this tale in black and white
- a fanciful notion: he is alarmed by the widespread conceit that he spent most of the 1980s drunk

Origin:
late Middle English (in the sense 'notion', also 'quaintly decorative article'): from conceive, on the pattern of pairs such as deceive, deceit

Spelling rule
i before e except after c (as in receive).