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English definition of “establish”

establish

verb [T] (PROVE)   /ɪˈstæb·lɪʃ/
to prove something or show the state of something, esp . by collecting facts or information about it: The coroner has not yet established the cause of death . [+ question word] We’re trying to establish what happened here.
(Definition of establish verb (PROVE) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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