Example : The outcomes rides on the results of the election.
Your grade will depends on your homework.

Synonyms : depend upon, devolve on, hinge on, hinge upon, ride, turn on

Example : She is someone you can really rely on when times get rough.
You can rely on his discretion.

Synonyms : depend upon, rely on, rely upon

Example : Elderly parents often depend on their adult children.

Synonyms : rely on