The term 'WIZARD's Accessory' can be solved by the crossword solution STAFF, which is a five letter word. A STAFF is a long stick or rod that is used as a support while walking, as a symbol of authority, or as a weapon. In the context of a WIZARD, it is often seen as a magical tool used to channel and focus magical energy. It is also a common accessory in fantasy literature and films, often associated with powerful wizards and sorcerers.