| noun | the process of showing signs of life “the quickening of seed that will become ripe grain” |
| noun | the stage of pregnancy at which the mother first feels the movements of the fetus |
| noun | the act of accelerating; increasing the speed |
| verb | move faster “The car accelerated” |
| verb | make keen or more acute “whet my appetite” |
| verb | give life or energy to “The cold water invigorated him” |
| verb | show signs of life “the fetus quickened” |
| verb | give new life or energy to “A hot soup will revive me” |
| quicken | verb | show signs of life |
| accelerate | verb | cause to move faster |
| speed up | verb | move faster |
| acceleratory | adjective | tending to increase velocity |
| accelerative | adjective | tending to increase velocity |
| speedup | noun | the act of accelerating; increasing the speed |
| speed | noun | changing location rapidly |
| quickening | noun | the act of accelerating; increasing the speed |
| quickener | noun | an agent that gives or restores life or vigor |
| invigoration | noun | quality of being active or spirited or alive and vigorous |
| recreation | noun | activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation |
| vivification | noun | the activity of giving vitality and vigour to something |
| revivification | noun | bringing again into activity and prominence |