Main entry: rely on, depend on
Definition: be dependent on, as for support or maintenance
Usage: elderly parents often depend on their adult children
Main entry: depend on, depend upon, rely on, rely upon
Definition: put trust in with confidence
Usage: she is someone you can really rely on when times get rough; you can rely on his discretion
Main entry: ride, turn on, depend on, depend upon, devolve on, hinge on, hinge upon
Definition: be contingent on
Usage: The outcomes rides on the results of the election; Your grade will depends on your homework