There are several synonyms for the phrase "be capable of" that can be used to express the same idea. These synonyms include "have the ability to," "be able to," "possess the capacity to," "have the potential to," "be equipped to," "have the talent to," and "be proficient in." These phrases all convey the sense that someone or something has the necessary skills, knowledge, or attributes to accomplish a certain task or achieve a particular goal. When choosing between these synonyms, it's important to consider the specific context and tone of the sentence and select the phrase that best fits the desired meaning.