Rooting for is a common phrase used to express support or encouragement for someone or something. However, there are several synonyms that can be used to convey similar meanings. Phrases like cheering on, backing, championing, endorsing, and rallying behind can be used interchangeably with rooting for. Each phrase has a slightly different connotation, but all express a level of support or hope for success. Additionally, phrases like pulling for, supporting, and getting behind convey similar sentiments. Regardless of which phrase is used, they all communicate the idea of wanting someone to succeed or achieve their goal.