A fortified gateway is a type of entryway used to protect a structure or city from invaders. However, there are many synonyms that can be used to describe a strengthened entrance. For instance, a strong gateway can be referred to as a fortified entrance, a reinforced portal, or a reinforced gateway. Other terms that can describe a fortified gateway include a well-defended portal, a protected entrance, a secure gateway, or a defensive gateway. Each of these terms has nuanced differences but all convey the same idea of a heavily fortified entrance that is difficult to penetrate. Overall, using a variety of synonyms can help make descriptions more engaging and rich.