The word "gate" can be expressed in various ways, depending on the context. For instance, if you want to refer to a main entrance, you may use "entranceway," "portal," or "threshold." If you're particularly referring to a gate that's used for security purposes, you may use "barrier," "checkpoint," or "turnstile." If you want to be more specific, you may also use terms such as "door," "fence," or "archway" depending on the type of gate you're describing. With such a long list of synonyms available, it's essential to consider the context in which the word 'gate' is used to choose the most suitable alternative.