The phrase "were on a par" means to be at an equal level or status with each other. Some synonyms for this phrase may include "were equal", "were evenly matched", "were on equal footing", "were at the same level", "were equivalent", or "were comparable". Each of these synonyms conveys the idea that two or more things are identical or evenly matched in some way, without one being superior to the other. These phrases can be used to describe anything from sports teams to academic achievements to overall ability in a particular area. No matter how you choose to express it, being on a par with someone else signifies a certain level of equality and mutual respect.