"Be conditional on" is a frequently used phrase in academic writing and various official documents. It means that something is dependent on certain conditions and cannot happen without the fulfillment of those requirements. Some common synonyms for this phrase include "contingent on," "subject to," "predicated on," "reliant on," "hinged on," "restricted by," "determined by," "governed by," and "qualified by." All of these synonyms carry the idea that an action or outcome is not possible without the necessary conditions being met. These variations allow for more precise and diverse language to be used when referring to specific situations or circumstances.