Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb touch_off

1 sense of touch off

Sense 1
trip, actuate, trigger, activate, set off, spark off, spark, trigger off, touch off -- (put in motion or move to act; "trigger a reaction"; "actuate the circuits")
       => initiate, pioneer -- (take the lead or initiative in; participate in the development of; "This South African surgeon pioneered heart transplants")