Meaning

• The result or outcome of a cause.

  "The effect of the hurricane was a devastated landscape."

• Impression left on the mind; sensation produced.

• Execution; performance; realization; operation.

• An illusion produced by technical means (as in "special effect")

  "The effect of flying was most convincing."

• (sound engineering) An alteration, or device for producing an alteration, in sound after it has been produced by an instrument.

  "I just bought a couple of great effects."

• (etc.) A scientific phenomenon, usually named after its discoverer.

  "Doppler effect"

• (usually in the plural) Belongings, usually as personal effects.

• Consequence intended; purpose; meaning; general intent; with to.

• Reality; actual meaning; fact, as distinguished from mere appearance.

• Manifestation; expression; sign.

Meaning

• To make or bring about; to implement.

  "The best way to effect change is to work with existing stakeholders."