forge
Definitions
To make or shape a metal object by heating it in a furnace and hammering it.
To produce a fraudulent copy or imitation of a document, signature, or work of art.
To create or develop a strong relationship, effort, or reputation through great exertion.
Examples
The blacksmith worked hard to forge a new sword from the glowing iron.
They managed to forge a strong alliance despite their past differences.
He was arrested for attempting to forge his employer's signature on the check.