English to English

noun (n)

• the process of showing signs of life(noun.process)

  Example:
  The quickening of seed that will become ripe grain.
  

  source: wordnet30
• the stage of pregnancy at which the mother first feels the movements of the fetus(noun.state)

  source: wordnet30
• the act of accelerating; increasing the speed(noun.act)

  Synonym:
  acceleration, speedup
  Antonym:
  deceleration
  

  source: wordnet30
• The act or process of making or of becoming quick.(noun)

  source: webster1913