thoughtful
US /ˈθɑːt.fəl/
UK /ˈθɑːt.fəl/

1.
showing consideration for the needs of other people
:
•
It was very thoughtful of you to send flowers.
•
He is always so thoughtful and kind.
2.
absorbed in thought; meditative
:
•
She sat quietly, a thoughtful expression on her face.
•
He paused, deep in thoughtful contemplation.