Commeasure is not a very commonly used word, and it means to compare or measure something in terms of its value or importance. However, if you're looking for synonyms for this word, there are several alternatives you can use. For instance, you can use words like evaluate, assess, compare, gauge, measure, estimate, or weigh. All of these words connote the idea of determining the worth, value, or importance of a particular thing. Whether you're talking about a physical object, an idea, or an intangible concept, you can use these words to help you better convey your meaning.