forge

Make something, usually for a specific function.

Come up with (an idea, plan, explanation, theory, or principle) after a mental effort.

Make a copy of with the intent to deceive.

“She forged a Green Card”

Make out of components (often in an improvising manner).

Move or act with a sudden increase in speed or energy.

Create by hammering.

“forge a pair of tongues”

Move ahead steadily.

“He forged ahead”

A workplace where metal is worked by heating and hammering.

Furnace consisting of a special hearth where metal is heated before shaping.