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rely

1 ENTRIES FOUND:
rely /rɪˈlaɪ/ verb
relies; relied; relying
rely
/rɪˈlaɪ/
verb
relies; relied; relying
Britannica Dictionary definition of RELY

rely on/upon

[phrasal verb]
rely on/upon (someone or something)
: to need (someone or something) for support, help, etc. : to depend on (someone or something)
: to trust or believe (someone or something)
rely on/upon (something) : to expect (something) with confidence : to be certain that (something) will happen or exist