Tripped

verb

1. To fall over or stumble over an object as a result of striking it with one's foot

   "Be careful not to trip on the tree roots."

2. (sometimes followed by "up") to cause (a person or animal) to fall or stumble by knocking their feet from under them

   "A pedestrian was able to trip the burglar as he was running away."

3. To be guilty of a misstep or mistake; to commit an offence against morality, propriety, etc
4. To detect in a misstep; to catch; to convict
5. To activate or set in motion, as in the activation of a trap, explosive, or switch

   "When we get into the factory, trip the lights."