The phrase "were entertained" could be substituted with words like amused, delighted, fascinated, engrossed, captivated, absorbed, occupied, engrossed, gripped, and enchanted. Depending on the context, other synonyms could include diverted, entranced, pleased, charmed, bewitched, intrigued, and beguiled. These words all suggest a sense of enjoyment or interest that one experiences while being entertained. No matter which word you choose, it's important to consider the intended tone and meaning of your sentence. Using a synonym can help to add variety and nuance to your writing, making it more engaging and memorable for your reader.