Thoughtful, considerate, attentive are applied to persons and their acts in the sense of being mindful of the comfort or happiness of others.
Thoughtful usually implies unselfish concern for others or the capacity for anticipating another’s needs.
Considerate stresses concern for the feelings of others or thoughtfulness in preventing or in relieving pain, suffering, or distress.
Attentive emphasizes continuous thoughtfulness or implies repeated acts of kindness or courtesy.