Reentrances are defined as points of entry or access that lead back into a building or enclosed space. There are several synonyms that can be used to refer to reentrances, including entrances, doorways, gateways, portals, openings, and access points. Each of these words can be used to describe a specific type of reentrance depending on the context. For example, an entrance may refer to the main point of entry for a building, while a portal may describe a more grand or decorative entrance. Regardless of the specific term used, reentrances are an integral part of any building or space, providing a means of entry and exit for its occupants.