There are numerous synonyms available for the phrase "in favour." These synonyms include: supporting, endorsing, advocating, backing, championing, promoting, espousing, approving, recommending, and applauding. When using synonyms for "in favour," it is important to consider the context and connotation of the word choice. For example, endorsing implies a stronger statement of approval compared to merely supporting. Similarly, championing suggests a sense of leadership and commitment to the cause. Overall, selecting the most appropriate synonym for "in favour" can help to strengthen the clarity and impact of one's communication.