rely on in WordNet English dictionary

1. be dependent on, as for support or maintenance
   "elderly parents often depend on their adult children"
   depend on  rely on 
   
2. put trust in with confidence
   "she is someone you can really rely on when times get rough"; "you can rely on his discretion"
   depend on  depend upon  rely on  rely upon 
   

rely on in English Wiktionary