Probable is defined as likely to happen or be true. Other words that can be used as synonyms for probable include possible, expected, predicted, anticipated, foreseeable, believable, plausible, and credible. Each of these words conveys the idea that something is likely, but not guaranteed. They can be useful when describing future events, indicating a high probability of success or failure, or expressing a degree of certainty in a statement. By using these synonyms for probable, writers can add nuance and clarity to their language, helping readers to more fully understand the meaning and intent of their words.