Collocations for furnished - adj.

be

fully
The flat is fully furnished.

partially, partly | attractively, beautifully, charmingly, comfortably, elegantly, expensively, luxuriously, nicely, ornately, pleasantly, prettily, richly, sumptuously, tastefully, well
His rooms were comfortably furnished. | The villa was expensively furnished throughout.

basically, modestly, plainly, simply
a simply furnished room

adequately | barely, sparsely | individually
Each of the ten bedrooms is individually furnished.