Definition of "invoker" [invoker]

• One who calls upon (a person, especially a god) for help, assistance or guidance. (noun)
• One who appeals for validation to a (notably cited) authority. (noun)
• One who conjures up spirits with incantations. (noun)
• Someone who induces as an inevitable consequence. (noun)
• One who solicits, petitions for, appeals to a favorable attitude. (noun)

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• "Each will enable its invoker to as - sume the likeness of his companion."
• "And, the supreme irony is that Giuliani is the most frequent invoker of 9/11 on the campaign trail."
• "For openers, there are more important things to worry about than having a person with some wrong-headed views about some subjects as an invoker of blessings from the Almighty."