* Palatial: This word refers to something resembling a palace in its grandeur, size, and luxuriousness. It conveys an image of immense scale, rich decoration, and opulent features.
* Chateau: This word is French and refers to a large country house, often with a fortified past, typically found in France. It implies a historical significance and a sense of traditional elegance.
Therefore, a "palatial chateau" would be a grand and luxurious country house with a historical background, resembling a palace in its opulence and size. It evokes a sense of historical grandeur, wealth, and privilege.