Sentence:  The huge square box, parquet-floored and high-ceilinged, had been arranged to display a suite of bedroom furniture designed and made in the halcyon days of the last quarter of the nineteenth century, when modish taste was just due to go clean out of <WSD>fashion</WSD> for the best part of the next hundred years. 
Meaning of the word marked with <WSD> tags:  A current (constantly changing) trend, favored for frivolous rather than practical, logical, or intellectual reasons.