What is the meaning of launch?

noun

• A motorboat with an open deck or a half deck.
• The act of propelling with force.
  • synonyms: launching

verb

• Set up or found.
  • usage: "She set up a literacy program"
  • synonyms: establish, set up, found
• Propel with force.
  • usage: "launch the space shuttle"; "Launch a ship"
• Launch for the first time; launch on a maiden voyage.
  • usage: "launch a ship"
• Begin with vigor.
  • usage: "He launched into a long diatribe"; "She plunged into a dangerous adventure"
  • synonyms: plunge
• Get going; give impetus to.
  • usage: "launch a career"; "Her actions set in motion a complicated judicial process"
  • synonyms: set in motion
• Smoothen the surface of.
  • usage: "launch plaster"