What is the meaning of forged?

verb

• Create by hammering.
  • usage: "hammer the silver into a bowl"; "forge a pair of tongues"
  • synonyms: forge, hammer
• Make a copy of with the intent to deceive.
  • usage: "he faked the signature"; "they counterfeited dollar bills"; "She forged a Green Card"
  • synonyms: forge, fake, counterfeit
• Come up with (an idea, plan, explanation, theory, or principle) after a mental effort.
  • usage: "excogitate a way to measure the speed of light"
  • synonyms: invent, contrive, devise, excogitate, formulate, forge
• Move ahead steadily.
  • usage: "He forged ahead"
  • synonyms: forge
• Move or act with a sudden increase in speed or energy.
  • synonyms: forge, spurt, spirt
• Make something, usually for a specific function.
  • usage: "She molded the rice balls carefully"; "Form cylinders from the dough"; "shape a figure"; "Work the metal into a sword"
  • synonyms: shape, form, work, mold, mould, forge
• Make out of components (often in an improvising manner. )
  • usage: "She fashioned a tent out of a sheet and a few sticks"
  • synonyms: fashion, forge

adjective

• Reproduced fraudulently.
  • usage: "like a bad penny..."; "a forged twenty dollar bill"
  • synonyms: bad