The phrase "returning to" can be replaced with a variety of synonyms, depending on the context and tone of the sentence. For example, one could use "revisiting" to imply a sense of nostalgia or sentimentality. "Resuming" is a more formal option, suitable for discussing the continuation of something after a hiatus. "Retracing" could be used when referring to a journey or path previously taken. "Reconnecting" would be fitting in a social context, conveying the idea of rebuilding a relationship or renewing a connection. Ultimately, the choice of synonym will depend on the nuances of the situation and the writer's desired effect on the reader.