1. showing consideration for the needs of other people
2. absorbed in or involving thought
3. showing careful consideration or attention

Examples

• She gave me a thoughtful gift for my birthday.
• It was thoughtful of you to call and check on me.
• He sat in thoughtful silence, considering his options.
• The professor had a thoughtful expression on her face.
• After a thoughtful analysis, they decided to proceed.
• Her thoughtful approach to the problem impressed everyone.
• The thoughtful student always helped his classmates.