There are various synonyms available for the phrase "judge from," which is often used in expressing an opinion based on a certain observation. Some of the synonyms include infer, deduce, conclude, derive, gauge, assess, estimate, and evaluate. These synonyms generally mean to make a decision or arrive at a conclusion based on specific facts or cues, such as behavior or body language. They underline the importance of interpreting information correctly and accurately before making a judgment. It's important to keep in mind that when using these synonyms, you should approach the situation with an open mind and avoid jumping to conclusions based on assumptions.