The phrase "swim with the tide" means to go with the flow or follow the majority. Some synonyms for this phrase include "go with the current," "conform," "yield," "comply," " adapt," "acquiesce," "concede," "surrender," "give in," and "submit." These words all suggest a sense of relinquishing control or following the actions of others. It's important to note that while it can be beneficial to "swim with the tide" in certain situations, it's important to also think critically and make decisions based on one's own beliefs and values rather than just following what everyone else is doing.