"Thoughtful" is an adjective that describes someone who carefully considers the feelings, opinions, or needs of others. It implies a quality of being considerate, kind, and reflective. Here are a few examples of how the word "thoughtful" can be used:
1. She is always thoughtful of her friends' feelings.
2. The thoughtful gift she gave him showed how much she cared.
3. He was thoughtful in his approach to solving the problem.
4. She is known for her thoughtful and insightful comments during meetings.
5. The thoughtful essay she wrote for school received high praise from her teacher.
In essence, being thoughtful is about demonstrating a level of empathy and intelligence in one's actions and words.