Noun thoughtfulness has 4 senses
  1. contemplation, reflection, reflexion, rumination, musing, thoughtfulness - a calm lengthy intent consideration
    --1 is a kind of consideration
    --1 has particulars:
     cogitation, study; meditation, speculation; meditation; introspection, self-contemplation, self-examination; omphaloskepsis; retrospect
  2. consideration, considerateness, thoughtfulness - kind and considerate regard for others; "he showed no consideration for her feelings"
    --2 is a kind of kindness
    Antonyms: inconsideration, inconsiderateness, thoughtlessness
    --2 has particulars: attentiveness; tact, tactfulness
  3. thoughtfulness - the trait of thinking carefully before acting
    --3 is a kind of
    --3 is a part of character, fiber, fibre
    Antonyms: unthoughtfulness, thoughtlessness
    --3 has particulars:
     pensiveness, meditativeness, contemplativeness; introspectiveness; deliberation, deliberateness
  4. consideration, thoughtfulness - a considerate and thoughtful act
    --4 is a kind of kindness, benignity