[n] the act of propelling with force
[n] a motorboat with an open deck or a half deck
[v] take off or begin; "launch into a speech"
[v] begin with vigor; "He launched into a long diatribe"; "She plunged into a dangerous adventure"
[v] smoothen the surface of; "float plaster"
[v] propel with force; "launch the space shuttle"; "Launch a ship"
[v] get going; give impetus to; "launch a career"; "Her actions set in motion a complicated judicial process"
[v] launch for the first time; launch on a maiden voyage; "launch a ship"
[v] put up
[v] set up or found; "She set up a literacy program"