influential

The definition of influential is someone or something that has an impact on or shapes how people act or how things occur.

(adjective)

A person who convinces others to listen and do what he suggests is an example of an influential person.

See influential in Webster's New World College Dictionary

adjective

having or exerting influence, esp. great influence; powerful; effective

Origin: ML influentialis

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See influential in American Heritage Dictionary 4

adjective

Having or exercising influence.

noun

One that is of considerable importance or influence: sought the advice of policy influentials.

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