Meaning of Depend upon
Unknown / অজানা / अज्ञात
to rely; place trust (usually followed by on or upon): You may depend on the accuracy of the report.
to rely for support, maintenance, help, etc. (usually followed by on or upon): Children depend on their parents.
to be conditioned or contingent (usually followed by on or upon): His success here depends upon effort and ability.
to be undetermined or pending: I may go to Europe or I may not, it all depends.
Grammar. (of a word or other linguistic form) to be subordinate to another linguistic form in the same construction; to form a part of a construction other than the head.