There are several synonyms for the phrase "went swimming" depending on the tone or context of the sentence. Some alternatives include "took a dip," "went for a swim," "went for a plunge," "went for a splash," "took the plunge," "went for a dip," "went for a paddle," "took a swim," and "took a refreshing swim." These synonyms evoke the feeling of jumping into water to cool off or as a recreational activity. Regardless of the synonym used, all imply that the person was in the water enjoying themselves.