itch.io

as a verb:

• make or shape (a metal object) by heating it in a fire or furnace and hammering it.
• create (something) strong, enduring, or successful.
• produce a fraudulent copy or imitation of (a document, signature, banknote, or work of art).
• move forward gradually or steadily. (as in forge ahead — take the lead or make good progress.)

As a noun:

• a blacksmith's workshop; a smithy.
  
• a furnace for melting or refining metal.
• a workshop or factory containing a furnace for melting metal.