Verb: spark off
- Put in motion, initiate (a device, reaction, circuit, etc)
"spark off the circuits";
- trip, actuate, trigger, activate, set off, spark, trigger off, touch off
- Cause to start, provoke or initiate (usually something negative or violent)
"spark off a huge argument";
- kick off [informal], touch off, spark, set off, trigger
Derived forms: sparked off, sparks off, sparking off