There are many synonyms for the phrase "equal to." Some common ones include "the same as," "identical to," "equivalent to," "comparable to," and "tantamount to." Other possible synonyms could include phrases such as "on par with," "of a similar magnitude to," or "in keeping with." Depending on the context in which the phrase is used, some synonyms may be more appropriate than others. For example, in a math problem, "equal to" might be replaced with "equals," while in a comparison of two products, "comparable to" might be a good choice. Whatever the context, there are many different ways to express the idea of two things being of the same value or importance.