ichidan verb, transitive verb
To put up decorations or arrange items for display, often for a special occasion or to make a place look festive.
クリスマスツリーを飾り付ける。
We decorate the Christmas tree.
部屋を花で飾り付けた。
I decorated the room with flowers.
Standard kanji spelling.
Mixed kanji-kana spelling, common in everyday writing.
飾る is a general verb for decorating or adorning, while 飾り付ける emphasizes the act of putting up decorations or setting up a display, often involving multiple items.
Compound of 飾り (decoration, from 飾る) and 付ける (to attach).