The term 'ACCESSORY FOR WONDER WOMAN' can be summarized by the crossword solution 'TIARA' (5 letters). Wonder Woman is a fictional superheroine created by American psychologist and writer William Moulton Marston. She is a warrior princess of the Amazons, and her TIARA is an iconic accessory that she wears as part of her costume. The TIARA is a symbol of her power and strength, and it is often used as a weapon in battle.