Definition, synonyms and related words
The initiation of an event or process.
"The sudden noise acted as a triggering mechanism that finally set off the chain reaction in his plan."
present participle of trigger
"The loud noise from the construction site was triggering a migraine in my neighbor who is very sensitive to sound."
That triggers or initiates.
"The sudden noise triggered a loud crash from the kitchen, sending everyone running toward the source of the commotion."