Traditionally, the adjective "fancy" means elaborate, or designed to impress. The modern definition of fancy still means the same, but is used to describe something luxurious, expensive, or highly desired.
Traditionally the verb "fancy" means to feel a desire for. The modern definition still means the same thing, and can also mean to have a crush on someone or to really want something.
at will, at pleasure at one's discretion or fancy
You can not get a boy to fancy you. If he doesn't like you, nothing you do can change that.
Losser
an ice cube
Alice in Wonderland is a fancy dress that starts with the letter A.
"Deduced" is just a fancy way of saying "figured out."
Luke Skywalker and Lancelot are fancy dress characters. Little Red Riding Hood and Little Bo Peep are fancy dress characters.
queen
gateau
caprice
edward harrington
The opposite for the word plain starting with letter f is FANCY.