There are several synonyms for the term "gift token" that can be used interchangeably depending on context. Some common synonyms include gift card, voucher, certificate, coupon, ticket, pass, and coupon code. These terms typically refer to a physical or digital item that can be exchanged for goods or services at a specified value. While some of these terms may have slightly different connotations or uses (i.e. a ticket may refer specifically to admission to an event), they can all be considered a form of gift token. Using different synonyms can add variety and depth to your writing and help avoid repetition.