trigger

/ˈtrɪɡər/
noun
? ?

Definition

1

A device that activates or releases something, such as a gun or a mechanism

She pulled the trigger on her camera to take a photo of the stunning view.

2

An event or situation that causes something to happen or a feeling to arise

The news of her promotion was the trigger for her decision to buy a new house.

Synonyms

switchOften implies a device that turns something on or off stimulusTypically used in a scientific or psychological context to describe a cause of a reaction catalystImplies something that speeds up a process or causes a significant change

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