The word "at" is a commonly used preposition that indicates a location or position in place or time. There are various synonyms for this word that can be used to add variety to one's language and make a statement more engaging. Some synonyms for "at" include "on", "near", "by", "in the vicinity of", "inside", "within", "up to", "toward", and "over to". Each of these synonyms can be used to express the same meaning as "at" but with a slightly different connotation. Using synonyms for "at" can add depth and variety to the language and help to convey a message more effectively.