Front entrance refers to the door or opening at the front of a building that provides access for people to enter. However, there are many synonyms for this term, such as portal, doorway, entryway, foyer, vestibule, and threshold. These terms all indicate the primary entrance to a building or space. Other variations include the main entrance, grand entrance, main portal, and primary gateway. These synonyms may be used interchangeably in conversation and writing, depending on the context or style of the text. Therefore, it's important to choose the most appropriate synonym based on the intended meaning and tone.