There are several synonyms for the phrase "be worthy of" which can be used in different contexts and situations. Some of the common alternatives include "deserve," "merit," "earn," "justify," and "command." These words convey the same meaning and indicate that something or someone has earned or gained a certain level of respect, admiration or value. For instance, a person who works hard and achieves great success can be said to deserve or merit praise or recognition. Similarly, a product or service that meets high standards of quality can be said to command a premium price and justify its value. Overall, synonyms for "be worthy of" can add variety and precision to your writing or speaking.