influence
/ˈin-ˌflü-ən(t)s/
noun
the power or capacity of causing an effect in indirect or intangible ways : sway
the act or power of producing an effect without apparent exertion of force or direct exercise of command
corrupt interference with authority for personal gain
verb
to affect or alter by indirect or intangible means
to have an effect on the condition or development of
She attempted to influence his decision.
noun phrase
a territorial area within which the political influence or the interests of one nation are held to be more or less paramount