mansion
noun
[ ˈmanʃ(ə)n ]
• a large, impressive house.
Similar:
residence,
hall,
abode,
stately home,
seat,
manor,
manor house,
country house,
villa,
castle,
château,
manoir,
palazzo,
schloss,
palace,
pile,
Origin:
late Middle English (denoting the chief residence of a lord): via Old French from Latin mansio(n- ) ‘place where someone stays’, from manere ‘remain’.