I•mag•i•neer’•ing (i-maj’e-nir’ing) n. 1a. a blend of creative imagination and technical know-how. 1b. Such combination utilized in creation, usually of Disney theme parks & attractions. See Disneyland (CA), Walt Disney World Resort (FL), Tokyo Disneyland (Japan), or Euro Disneyland (France). [ME imaginer < OFr. Imagineor < Lat Imaginaritor < Imagenium, design skill.]
Although this definition that once appeared on WDI merchandise is now outdated with the opening of Hong Kong Disneyland, it’s still one of my favorite definitions.