Formal:
* Compose: Emphasizes the act of creating something.
* Pen: Focuses on the tool used.
* Draft: Suggests an initial version of something.
* Author: Highlights the role of the writer.
* Script: Used specifically for written work that will be performed.
Informal:
* Put down: Simple and casual.
* Jot down: Implies short notes.
* Scribble: Used for quick, informal writing.
* Compose: Emphasizes the act of creating something.
* Pen: Focuses on the tool used.
* Craft: Suggests careful and deliberate writing.
* Produce: Implies creating something tangible.
More specific:
* Type: For using a keyboard.
* Handwrite: For writing by hand.
* Edit: For revising and improving written work.
* Proofread: For checking for errors.
* Transcribe: For writing down something spoken.
Figurative:
* Capture: Implies capturing thoughts or ideas.
* Express: Emphasizes conveying meaning.
* Articulate: Suggests clear and precise writing.
The best alternative will depend on the specific context and the intended meaning.