What is the meaning of energising?

verb

• Raise to a higher energy level.
  • usage: "excite the atoms"
  • synonyms: excite, energize, energise
• Cause to be alert and energetic.
  • usage: "Coffee and tea stimulate me"; "This herbal infusion doesn't stimulate"
  • synonyms: stimulate, arouse, brace, energize, energise, perk up

adjective

• Supplying motive force."the complex civilization of which Rome was the kinetic center- H. O. Taylor
  • synonyms: energizing, kinetic