"Hanging there" can be represented by a number of synonyms depending on the context and emotion. "Suspended" is a great replacement in some scenarios when objects or people are hanging from a surface or object. For an emotional response like depression or even a need for hope, "persevere" or "endure" can be appropriate synonyms. Other terms like "linger," "hover," "dangle," "sway," and "hang loose" can be appropriate for describing the position of somebody or something hanging without much movement. Overall, the adequate synonym for "hanging there" depends on situation and purpose.