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English definition of “influential”

influential

adjective     /ˌɪnfluˈenʃəl/
able to influence someone or something: an influential group/figure/leader He has managed to play an influential role in Washington for a quarter of a century.influential in (doing) sth Foucault has been influential in helping to explain power and knowledge in organizations.
(Definition of influential adjective from the Cambridge Business English Dictionary © Cambridge University Press)
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