欣 (xīn): glad; happy; joyful

The moment she received the university admission letter, she was overjoyed and immediately called her parents to tell them.

Upon learning that her son won first place in the competition, the mother showed a gratified smile on her face.

Spring has arrived. In the park, flowers are blooming and birds are singing; tourists are enjoying the beautiful scenery, and their mood is especially joyful.

Seeing his grandchildren grow up healthy and happy, the grandfather felt very gratified.

After months of effort, the team finally completed the project, and everyone gladly accepted the company's commendation.