kick into gear

• startTo set going
• igniteStart burning something
• accelerateIncrease in velocity
• momentumProduct of mass, velocity
• activateCause to function

engage · rev · launch · jumpstart · energize · hustle · mobilize · action · throttle · spark · motion · drive · push · crank · shift · boost · turbocharge · awaken

• momentumbuilding momentum, gain traction, gaining traction, gaining steam, gather steam
• accelerationaccelerate, acceleration, accelerating, speed up, speeding up