To affix date to is a common expression used to indicate the act of attaching or assigning a specific date to a document or event. However, there are various synonyms that can be used interchangeably such as set a date for, date stamp, mark the date, indicate the date, note the date, allocate a date, establish a date, assign a date, and fix a date. Each of these synonyms can be used based on the context in which the expression is used. Utilizing synonyms helps to avoid repetition and creates a more engaging writing style. Therefore, it is essential to be familiar with various synonyms to enrich one's writing and communication skills.