The word "site" has a variety of synonyms and alternatives that can be used to avoid repetitiveness in writing. One common synonym is "location," which refers to a specific place or position. Another alternative is "spot," which is similar to location but often used to describe a smaller or more specific area. "Venue" is also a synonym for site and is typically used to describe a place where events take place. "Premises" is another option, which refers to a building or property where a business or organization operates. Lastly, "grounds" can be used to refer to a specific area where a building is located, such as a school or park.