decoration
noun
1 a vaulted ceiling with rich decoration:
ornamentation, adornment, trimming, embellishment, garnishing, gilding;
beautification, prettification;
enhancements, enrichments, frills, accessories, trimmings, finery, frippery.
2 the carriages were built with simple but attractive internal decoration:
decor, furnishing, furbishing, ornamentation;
look, colour scheme.
decoration Oxford Dictionary of English