General Beginnings:
* Began: This is the most straightforward synonym.
* Commenced: A slightly more formal version of "began."
* Initiated: Emphasizes the act of setting something in motion.
* Launched: Suggests a more dramatic or ambitious beginning.
* Embarked: Focuses on the beginning of a journey or endeavor.
* Undertook: Highlights the effort or responsibility involved.
* Set out: Suggests a deliberate and purposeful beginning.
For Specific Actions:
* Activated: For things that become active or operational.
* Triggered: For events that are caused or set off.
* Engaged: For actions that require involvement.
* Operated: For things that begin to function.
* Fired up: For actions that are enthusiastic or energetic.
More Informal Options:
* Kicked off: For informal beginnings, especially events.
* Got going: A casual way to say "started."
* Got underway: Suggests a gradual beginning.
To choose the best word, consider the specific situation, the tone you want to convey, and the desired level of formality.