Guest passes are used for granting access to temporary visitors to a specific place or event. They are often associated with venues such as theme parks, sports grounds, and conferences. However, there are various synonyms to the term "guest passes" that you can use for different contexts and purposes. For example, admission ticket, entry pass, visitor card, and entrance badge can all be used to refer to guest passes. They differ in their formality, connotation, and level of access, but their core function remains the same. By using different synonyms, you can add variety to your language and cater to different audiences.