The phrase "is delighted" is an expression of extreme joy or pleasure, and there are a number of synonyms that can be used to convey the same sentiment. Some alternatives include "is thrilled," "is ecstatic," "is overjoyed," "is elated," "is euphoric," and "is jubilant." Each of these phrases emphasizes a strong emotional response, indicating a level of happiness that is hard to contain. Other synonyms include "is beaming," "is grinning from ear to ear," and "is bursting with happiness." Each of these expressions captures the exuberance and excitement of the moment, conveying a sense of extreme contentment and satisfaction.