Yes, forge is a Scrabble word!

Verb

1. Create by hammering

2. Make a copy of with the intent to deceive

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

4. Move ahead steadily

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

6. Make something, usually for a specific function

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

Noun

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

2. A workplace where metal is worked by heating and hammering