There are numerous synonyms for the phrase "making plausible," each with varying degrees of intensity and context-specific applications. Some examples include "convincing," "credible," "believable," "persuasive," "plausible," "feasible," and "reasonable." Depending on the context, certain synonyms may be more appropriate than others. For instance, "convincing" and "persuasive" may be suitable when trying to sway someone's opinion, while "credible" and "believable" are often used to describe the authenticity of a claim or story. On the other hand, "feasible" and "reasonable" are more commonly associated with the practicality of an idea or proposal. Regardless of the specific term used, the underlying goal of making something plausible is to create a sense of believability or credibility in the minds of others.