decoration \dec`o*ra"tion\ (d[e^]k`[-o]*r[=a]"sh[u^]n), n. [LL. decoratio: cf. F. d['e]coration.]

1. The act of adorning, embellishing, or honoring; ornamentation. [1913 Webster]

2. That which adorns, enriches, or beautifies; something added by way of embellishment; ornament. [1913 Webster]

The hall was celebrated for . . . the richness of its decoration. --Motley. [1913 Webster]

3. Specifically, any mark of honor to be worn upon the person, as a medal, cross, or ribbon of an order of knighthood, bestowed for services in war, great achievements in literature, art, etc. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

136 Moby Thesaurus words for "decoration": abstract art, accolade, adjunct, adornment, armory, arrangement, art, art form, artist, arts and crafts, arts of design, award, badge, badge of office, badges, baton, bays, beautification, beauty treatment, blazonry, blue ribbon, bonus, brassard, button, calligraphy, cap and gown, cave art, ceramics, chain, chain of office, class ring, cockade, collar, color, color patterns, colors, cordon, cordon bleu, cross, decor, decoration of honor, design, designing, distinction, dress, eagle, elaboration, embellishment, emblazonment, emblazonry, emblems, embroidery, engraving, ensigns, etching, extra, extra added attraction, extra dash, facial, fasces, figurehead, filigree, filling, fillip, fine arts, fleur-de-lis, flourish, flower arrangement, folk art, frill, furniture arrangement, garnish, garnishment, garniture, garter, gold star, grand cordon, graphic arts, hairdressing, hammer and sickle, heraldry, illumination, insignia, kudos, lagniappe, lapel pin, laurel, laurels, livery, mace, manicure, mantle, markings, medal, mortarboard, old school tie, order, ornament, ornamentation, padding, photography, pin, plastic art, premium, prettification, primitive art, red ribbon, regalia, riband, ribbon, ring, rose, school ring, sculpture, shamrock, sigillography, skull and crossbones, something extra, sphragistics, staff, star, stuffing, superaddition, swastika, tartan, the arts, thistle, tie, trim, trimming, twist, uniform, verge, wand, window dressing, wrinkle

Source: Moby Thesaurus II by Grady Ward, 1.0
 

decoration

Source: WordNet (r) 2.0
 

Decoration \Dec`o*ra"tion\, n. [LL. decoratio: cf. F. d['e]coration.]

1. The act of adorning, embellishing, or honoring; ornamentation.

2. That which adorns, enriches, or beautifies; something added by way of embellishment; ornament.

The hall was celebrated for . . . the richness of its decoration. --Motley.

3. Specifically, any mark of honor to be worn upon the person, as a medal, cross, or ribbon of an order of knighthood, bestowed for services in war, great achievements in literature, art, etc.

Decoration Day, a day, May 30, appointed for decorating with flowers the graves of the Union soldiers and sailors, who fell in the Civil War in the United States; Memorial Day. [U.S.]

Source: Webster's Revised Unabridged Dictionary (1913)