leap/spring/swing into action

:  to spring free from or as if from the ground :  jump

:  to pass abruptly from one state or topic to another

:  to act precipitately

:  an act of leaping :  spring, bound

:  a place leaped over or from

:  the distance covered by a leap

:  dart, shoot

:  to be resilient or elastic

:  to move by elastic force

:  a source of supply

:  a source of water issuing from the ground

:  an ultimate source especially of action or motion

:  to fit with springs

:  to cause to move vigorously through a wide arc or circle

:  to cause to sway to and fro

:  to cause to turn on an axis

:  an act or instance of swinging :  swinging movement: such as

:  a stroke or blow delivered with a sweeping arm movement

:  a sweeping or rhythmic movement of the body or a bodily part

:  of or relating to musical swing

:  that may swing often decisively either way on an issue or in an election

:  a thing done :  deed

:  the accomplishment of a thing usually over a period of time, in stages, or with the possibility of repetition

:  behavior, conduct