The phrase "is profitable" refers to something that generates profit or financial gain. There are several synonyms that can be used instead of "is profitable" for added variety and emphasis. Some of these synonyms include "yields a profit," "earns money," "is lucrative," "is advantageous," "proves profitable," "is fruitful," "pays dividends," "is cost-effective," "provides returns," "brings in revenue," and "is beneficial financially." These synonyms can be used effectively in business reports, financial statements, or any other context where it is necessary to convey the idea of financial gain.