There are many synonyms that can be used to describe women's restrooms, depending on the context and level of formality. Some common ones include ladies' rooms, women's bathrooms, female lavatories, and girls' restrooms. Others might include women's facilities, ladies' restrooms, women's powder rooms, or even just the women's. In informal settings, it's not uncommon to hear terms like the ladies', the ladies' loo, or the girls' room. However you choose to refer to this space, it's important to remember that it's a necessity for women in public places, and should be accessible, clean, and comfortable for all.