Were at is a phrase that often indicates the location or position of a person or object. There are numerous synonyms that can be used to replace this phrase such as present, situated, located, positioned, placed, stationed, established, based, anchored, settled, and positioned. These synonyms can be used interchangeably to convey the same meaning as 'were at'. For instance, instead of saying "we were at the library", you can use any of the above-mentioned synonyms such as "We were present at the library" or "We were situated in the library". Each of these synonyms helps to convey the same meaning as "were at" in a different way.