déclencher

/deklɑ̃ʃe/déclencher
1.
verbInf1st

trigger

set off

activate

Fais attention, tu risques de déclencher l'alarme si tu forces la porte.

Be careful, you risk setting off the alarm if you force the door.

Synonyms:activer, mettre en marche, provoquer
2.
verbInf1st

spark

provoke

cause

Sa remarque a déclenché un vif débat parmi les étudiants.

His remark sparked a heated debate among the students.

Synonyms:provoquer, susciter, engendrer