What is the meaning of regenerating?

verb

• Reestablish on a new, usually improved, basis or make new or like new.
  • usage: "We renewed our friendship after a hiatus of twenty years"; "They renewed their membership"
  • synonyms: regenerate, renew
• Amplify (an electron current) by causing part of the power in the output circuit to act upon the input circuit.
  • synonyms: regenerate
• Bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one.
  • usage: "The Church reformed me"; "reform your conduct"
  • synonyms: reform, reclaim, regenerate, rectify
• Return to life; get or give new life or energy.
  • usage: "The week at the spa restored me"
  • synonyms: regenerate, restore, rejuvenate
• Replace (tissue or a body part) through the formation of new tissue.
  • usage: "The snake regenerated its tail"
  • synonyms: regenerate
• Be formed or shaped anew.
  • synonyms: regenerate
• Form or produce anew.
  • usage: "regenerate hatred"
  • synonyms: regenerate
• Undergo regeneration.
  • synonyms: regenerate
• Restore strength.
  • usage: "This food revitalized the patient"
  • synonyms: regenerate, revitalize

adjective

• That are generating anew.
  • usage: "regenerating fibers"