When it comes to finding synonyms for the word "plazas," there are a variety of options to choose from. One similar word is "courtyards," which refers to open spaces surrounded by buildings. Another option is "squares," which typically are public spaces found in the center of a city or town. "Piazzas" is another synonym that can be used interchangeably with plazas, especially in Italian or Mediterranean-style architecture. Lastly, "promenades" can be used to describe a public area that is meant for walking and strolling, often lined with shops or cafes. All of these synonyms embody the idea of a communal outdoor space for gathering, socializing, and enjoying the atmosphere.