The phrase "reduce to writing" means to put something into written form. There are a number of synonyms for this phrase, including "put into words," "express in writing," "commit to paper," "write down," "record," or "transcribe." These synonyms all convey the act of taking something spoken or thought and turning it into a tangible written document. Whether it's writing notes during a meeting, jotting down ideas for a project, or drafting a formal legal document, the act of reducing something to writing is crucial for communication, organization, and accountability. Using any of these synonyms can help to clarify a message and provide a written record that is easily referenced for future use.