"Leaning on it" is a phrase that often conveys a sense of physical support or dependence, but there are many other ways to express this action. Some synonyms for "leaning on it" include: relying on it, depending on it, counting on it, trusting it, using it as a crutch, propping oneself up with it, resting upon it, and seeking solace in it. Depending on the context, some other phrases that might convey a similar idea include "taking comfort in it," "finding refuge in it," or "finding strength in it." Whether we are talking about emotional support or physical aid, there are many ways to describe the actions of relying on something or someone.