1 enhancement, embellishment, adornment, decoration, ornamentation, gingerbread, trimming, garnish, garnishment, frill, embroidery, beautification, accessory; frippery; knick-knack, furbelow, bauble, gewgaw, Slang US tchotchke:
We spent a pleasant afternoon putting ornaments on the Christmas tree. The ornaments on the mantelpiece needed dusting.
2 decorate, embellish, enhance, adorn, trim, garnish, embroider, elaborate, beautify, accessorize, deck (out), dress up:
The cabinet is ornamented with ormolu fittings in the Empire style.