ADV

beautifully, elaborately, elegantly, gaily, intricately, lavishly, ornately, richly
The room was lavishly decorated with tinsel and holly

PREP

with
Decorate the cake with raspberries and whipped cream

ADV

nicely, pleasantly, tastefully
The bedrooms are tastefully decorated

PREP

in
The room is decorated in pale blues and greens

PREP

for
He was decorated for bravery

PHRASES

highly decorated
the most highly decorated unit in the British Army