Sentence:  ... the house had been boldly planned with a ball-room, so that, instead of squeezing through a narrow passage to get to it (as at the Chiverses') one marched solemnly down a vista of <WSD>enfiladed</WSD> drawing-rooms (the sea-green, the crimson and the bouton d'or), seeing from afar the many-candled lustres reflected in the polished parquetry ... 
Meaning of the word marked with <WSD> tags:  To arrange (rooms or other structures) in a row.