Laissez passer is a French phrase that translates to "let pass" in English. It is commonly used to refer to a travel document that allows someone to pass through a border or checkpoint. Synonyms for laissez passer include passport, visa, permit, license, clearance, and authorization. These terms often signify official approval or permission to enter a new place or carry out a particular activity. They are important documents that grant individuals the freedom to move and work in different parts of the world while ensuring their safety and security. In today's globalized world, having a laissez passer or its synonyms is essential for engaging in international travel and commerce.