verb (v)

• jump out from a hiding place and surprise (someone)(verb.motion)

  Synonym:
  leap out, rush out, sally out
  

  source: wordnet30
• be unleashed; emerge with violence or noise(verb.change)

  Synonym:
  break loose, explode
  

  source: wordnet30
• come into or as if into flower(verb.change)

  Synonym:
  effloresce
  

  source: wordnet30