(to cause a person, situation) to become lively

make faster; invigorate

to be a reason or encouragement for (a person) to do something

stimulate, instigate

(to cause the speed of a person, thing) to become quick(er)

make faster; invigorate

to put energy, strength, into (workers, a scheme etc)

energize

make faster; invigorate

make faster; invigorate