This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, relating to, or serving as an ornament or decoration.

n. Something that serves as ornamentation, especially a plant grown for its beauty.

adj. Serving to ornament; characterized by ornament; beautifying; embellishing.

n. An ornamental plant.

adj. Serving to ornament; characterized by ornament; beautifying; embellishing.

Of the nature of an ornament; serving as an ornament; of or pertaining to ornament or decoration; adding or lending beauty, grace, or attractiveness: as, ornamental appendages; neither useful nor ornamental.

n. An accessory; an embellishment; an adornment.

n. Specifically, a plant or vine which is grown only for the beauty of its flowers or foliage.

n. any plant grown for its beauty or ornamental value

adj. serving an esthetic rather than a useful purpose

"The project, organized by a company called GEOS, will specialize in ornamental plants and cut flowers."

nonfunctional   

ornamental note    ornamental counterpoint   

ornament    ornamentation    ornamentally   

beautifying    embellishing    ornamentive    adorning    decorative    fancy    dressy   

Occidental    Oriental    accidental    coincidental    compartmental    continental    dental    departmental    detrimental    developmental   

decorative    ornate    elegant    wooden    intricate    costly    antique    Gothic    picturesque    circular