Synonyms: set off, spark, spark off, activate, actuate, trigger, trigger off, trip, touch off
Definition: put in motion or move to act
Usage: trigger a reaction; actuate the circuits
Similar words: initiate, pioneer
Definition: take the lead or initiative in; participate in the development of
Usage: This South African surgeon pioneered heart transplants
Synonyms: prompt, propel, incite, motivate, move, actuate
Definition: give an incentive for action
Usage: This moved me to sacrifice my career
Similar words: cause, do, make
Definition: give rise to; cause to happen or occur, not always intentionally
Usage: cause a commotion; make a stir; cause an accident