DECORATIVE
cosmetic, decorative, ornamental
(adjective) serving an esthetic rather than a useful purpose; “cosmetic fenders on cars”; “the buildings were utilitarian rather than decorative”
Source: WordNet® 3.1
Etymology
Adjective
decorative (comparative more decorative, superlative most decorative)
That serves to decorate
Noun
decorative (plural decoratives)
A plant, tile, etc. intended for use as decoration.
Source: Wiktionary
Dec"o*ra*tive, a. Etym: [Cf. F. décoratif.]
Definition: Suited to decorate or embellish; adorning.
– Dec"o*ra*tive*ness, n. Decorative art, fine art which has for its
end ornamentation, rather than the representation of objects or
events.
Source: Webster’s Unabridged Dictionary 1913 Edition