re·ly 
/rɪˈlaɪ/ verb
re·lies; re·lied; re·ly·ing /rɪˈlaɪ/ verb Meaning:
rely on/upon [phrasal verb] 1 rely on/upon (someone or something) a : to need (someone or something) for support, help, etc. : to depend on (someone or something)
▪ My mother relied on me for financial support. ▪ They rely on a well for all their water. ▪ She relies on her sister to drive her to school. ▪ He no longer relies upon his parents for money.
b : to trust or believe (someone or something)
▪ She's someone you can rely on. ▪ You can rely on him to do it right. ▪ I relied heavily upon your advice. ▪ You could always rely on [=count on] him to disagree. [=you could always be sure that he would disagree] 2 rely on/upon (something) : to expect (something) with confidence : to be certain that (something) will happen or exist
▪ The economy may improve next year, but it's not something you can rely on.
▪ My mother relied on me for financial support. ▪ They rely on a well for all their water. ▪ She relies on her sister to drive her to school. ▪ He no longer relies upon his parents for money.
b : to trust or believe (someone or something)
▪ She's someone you can rely on. ▪ You can rely on him to do it right. ▪ I relied heavily upon your advice. ▪ You could always rely on [=count on] him to disagree. [=you could always be sure that he would disagree]
▪ The economy may improve next year, but it's not something you can rely on.
