A już co wpiszemy w ten nawiasik kwadratowy to zależy od tego jaki to klimat - jak dyskretnego wyrafinowania to jedno a jak swojskiej przytulności to drugie a jak dekadenckiego wyuzdania to jeszcze inaczej; itp.

Tak troszkę tongue in cheek to na przykład byłoby decor designed to excude a comfortably cultured vibe, with tastefully selected art objects and strategically placed books of poetry ... na przykład.

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Note added at 56 mins (2016-02-29 15:59:10 GMT)
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*designed to exude* oczywiście :-(

często stosowane w opisie wnętrz
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propozycja

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Note added at 4 mins (2016-02-29 15:06:28 GMT)
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elements comprising room atmosphere

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Note added at 21 hrs (2016-03-01 12:51:14 GMT)
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Re the character of the decor: whimsical/fanciful

playfully quaint or fanciful, especially in an appealing and amusing way.

designed to be exotically ornamental rather than practical.

showing imagination : unusual and appealing

3. Showing invention or whimsy in design; imaginative.
http://www.thefreedictionary.com/fanciful