conceit

(kən-sētˈ)

1. A favorable and especially unduly high opinion of one's own abilities or worth.
2. An ingenious or witty turn of phrase or thought.
3. a. A fanciful poetic image, especially an elaborate or exaggerated comparison.
   b. A poem or passage consisting of such an image.
4. a. The result of intellectual activity; a thought or an opinion.
   b. A fanciful thought or idea.
5. a. A fancy article; a knickknack.
   b. An extravagant, fanciful, and elaborate construction or structure: “An eccentric addition to the lobby is a life-size wooden horse, a 19th century conceit” (Mimi Sheraton).

1. Chiefly British To take a fancy to.
2. Obsolete To understand; conceive.