1. the quality of being considerate and caring about others' needs or feelings
2. the quality of thinking carefully and deeply about something

Examples

• Her thoughtfulness in bringing soup to her sick neighbor was appreciated.
• The gift showed real thoughtfulness and attention to detail.
• His thoughtfulness in planning the surprise party made everyone happy.
• She approached the problem with great thoughtfulness and care.
• The thoughtfulness of his response impressed the interviewer.
• Their thoughtfulness toward elderly residents was commendable.
• The essay demonstrated thoughtfulness and deep analysis.