What is the meaning of promise?

noun

• A verbal commitment by one person to another agreeing to do (or not to do) something in the future.
• Grounds for feeling hopeful about the future.
  • usage: "there is little or no promise that he will recover"
  • synonyms: hope

verb

• Make a promise or commitment.
  • synonyms: assure
• Promise to undertake or give.
  • usage: "I promise you my best effort"
• Make a prediction about; tell in advance.
  • usage: "Call the outcome of an election"
  • synonyms: predict, foretell, prognosticate, call, forebode, anticipate
• Give grounds for expectations.
  • usage: "The new results were promising"; "The results promised fame and glory"