quicken

[1]	accelerate , accelerate , speed up , hasten , speed up , speed
[2]	whet , expedite , hurry , accelerate , hasten , speed (up)
[3]	stimulate , invigorate , arouse , kindle , spark , invigorate , excite , animate , vitalize , vivify , galvanize , enliven , awaken , energize , revive , resuscitate , reinvigorate
[4]	animate , recreate , reanimate , revive , renovate , repair , vivify , revivify