Definition of thoughtfulness in English:
 thoughtfulness
noun ˈθɔːtfʊlnəsˈθɔːtf(ə)lnəsˈθɔtfəlnəs
mass noun1The state of being absorbed in thought.
 his face became strange with thoughtfulness
 a man of quiet thoughtfulness and sound judgement
- 1.1 Careful consideration or attention.
 the jury was impressed by the thoughtfulness of the project
 the question will be approached with thoughtfulness
 
2Consideration for the needs of other people.
 her generosity and thoughtfulness was unbounded
 I am touched by your thoughtfulness
  Definition of thoughtfulness in US English:
 thoughtfulness
nounˈTHôtfəlnəsˈθɔtfəlnəs
1The state of being absorbed in thought.
 his face became strange with thoughtfulness
 a man of quiet thoughtfulness and sound judgment
- 1.1 Careful consideration or attention.
 the jury was impressed by the thoughtfulness of the project
 the question will be approached with thoughtfulness
 
2Consideration for the needs of other people.
 her generosity and thoughtfulness was unbounded
 I am touched by your thoughtfulness