When expressing your opinion, it can be useful to use a variety of synonyms for the phrase "speaking for." Some words that can be used in place of "speaking for" include advocating, promoting, supporting, championing, standing up for, standing behind, or defending. Each of these words implies a different level of commitment or passion for your viewpoint, so choose the one that best fits the context and your personal style. Using synonyms can help to prevent repetition in your writing or speaking while still getting your message across clearly. So, instead of always using "speaking for," try incorporating some of these other options to keep your language interesting and dynamic.