triggers
trig-gers
noun
Events or things that cause a particular action or reaction to occur.
"Loud noises are common triggers for her migraines."
verb
Causes an event, action, or process to begin or happen.
"The sensor triggers the light when it detects movement."
Thesaurus
Synonyms: gun trigger, spark off, set off, actuate, trip, activate, trigger off, touch off, spark, induction, initiation