What is the meaning of revolution?

noun

• A drastic and far-reaching change in ways of thinking and behaving.
  • usage: "the industrial revolution was also a cultural revolution"
• The overthrow of a government by those who are governed.
• A single complete turn (axial or orbital. )
  • usage: "the plane made three rotations before it crashed"; "the revolution of the earth about the sun takes one year"
  • synonyms: rotation, gyration