Concurred with is a phrase that is commonly used to indicate agreement with someone's opinion or action. There are several other synonyms for this phrase that can be used interchangeably such as assented, acquiesced, acknowledged, endorsed, granted, approved, conceded, authorized, confirmed, supported, and seconded. While all these words have slightly different meanings, they convey the same general idea that one person is in agreement with another. It is important to choose the right word depending on the context of the sentence and the tone desired. So next time you want to say you agree with someone, consider using one of these synonyms.