The phrase "worth it" implies that something has value, but it can be expressed in many other ways. For instance, "valuable," "beneficial," "useful," "advantageous," "meaningful," "important," "significant," "worthy," "rewarding," "fruitful," and "productive" are all synonyms for "worth it." Each one of these words has its own distinct connotation. "Valuable" implies something is of great worth. "Beneficial" implies that something brings good results or consequences. "Rewarding" implies that something is satisfying and fulfilling. "Worthy" implies that something is deserving of investment or effort. Whatever the context, there is always a synonym for "worth it" that captures the intended meaning.