What is another word for actuation?
Pronunciation: [ˌakt͡ʃuːˈe͡ɪʃən] (IPA) 
Actuation is the process of initiating or starting an action or movement. Synonyms for actuation include activation, commencement, initiation, starting, triggering, instigation, stimulation, and onset. These words can be used interchangeably depending on the context of the action to be executed. Activation is often used to describe the process of turning on a machine or device. Commencement and initiation are commonly used to describe the start of an event or task. Triggering and instigation often relate more to the psychological or emotional aspects of a situation while stimulation and onset refer to physical processes. In a nutshell, these synonyms for actuation can help to infuse variety and depth into your writing.
