thoughtful

adjective

1. 1

   considerate of the feelings or well-being of others

2. 2

   taking heed; giving close and thoughtful attention

   heedful of the warnings

   so heedful a writer

3. 3

   having intellectual depth

   a deeply thoughtful essay

4. 4

   acting with or showing thought and good sense

   a sensible young man

5. 5

   exhibiting or characterized by careful thought

   a thoughtful paper