What is another word for hinge on?
Pronunciation: [hˈɪnd͡ʒ ˈɒn] (IPA) 
When it comes to finding synonyms for the phrase "hinge on," there are several options available. Some possible substitutes include depend on, rest on, hang on, revolve around, be contingent on, be based on, and be determined by. Each of these phrases refers to a situation in which one outcome or decision is heavily influenced by a particular factor or set of factors. For example, if a person's success in their work hinges on their ability to meet deadlines, it means that their entire career could be impacted by whether or not they are able to complete their tasks on time. Regardless of which synonym is used, the underlying meaning of the phrase remains unchanged.
