"On par" is a common English phrase that means "equal" or "comparable". If you're seeking synonyms for this phrase, several options come to mind, including phrases like "in line with", "on the same level as", "equivalent to", or "in keeping with". Other synonyms for "on par" might include "akin to", "similar to", "correlating with", or "parallel to". When looking for alternatives to this phrase, it's important to consider the context in which it will be used, as this can help guide the choice of the most appropriate synonym to use.