The phrase "turning one off" generally implies a feeling of aversion or distaste towards something. Its antonyms would therefore be words that express the opposite sentiment, such as "captivating", "enchanting", "entrancing", "fascinating", "engaging", "mesmerizing", "delightful", "alluring", "charming", and "enjoyable". These words connote a sense of attraction, interest, or pleasure, and imply that the object or experience in question is desirable or appealing. They are useful not only for describing positive experiences but also for contrasting with the negative ones that the phrase "turning one off" tends to evoke.