v. 1. To write; record. He set down all his important thoughts in his dairy. At the beginning of his letter Dan set down the date.
Synonym: PUT DOWN. 2. To stop a bus or other vehicle and let (someone) get off. The bus driver set her down at the corner. 3. To put into some group; classify; consider. When he heard the man speak, he set him down as a fool. 4. To explain; think a reason for. The teacher set down the boy's poor English to his foreign birth.