thoughtful

UK: /ˈθɔːtfʊl/ US: /ˈθɔtfəl/ ,(thôt′fəl)

WordReference Random House Learner's Dictionary of American English © 2025

thought•ful /ˈθɔtfəl/   adj. 

1. showing consideration or care for others;
   considerate:
   How thoughtful of you; you remembered my birthday!
2. characterized by or showing careful thought:
   a thoughtful essay.
3. thinking a great deal;
   contemplative;
   reflective:
   a thoughtful mood.

thought•ful•ly, adv.: 

He thoughtfully opened the door for her.

thought•ful•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

thought•ful  (thôt′fəl), adj. 

1. showing consideration for others;
   considerate.
2. characterized by or manifesting careful thought:
   a thoughtful essay.
3. occupied with or given to thought;
   contemplative;
   meditative;
   reflective:
   in a thoughtful mood.
4. careful, heedful, or mindful:
   to be thoughtful of one's safety.

• 1150–1200; Middle English; see thought¹, -ful

thought′ful•ly, adv. 
thought′ful•ness, n. 
Synonyms

• 1. attentive, solicitous.
  Thoughtful, considerate mean taking thought for the comfort and the good of others.
  Thoughtful implies providing little attentions, offering services, or in some way looking out for the comfort or welfare of others:
  It was thoughtful of you to send the flowers.
  Considerate implies sparing others annoyance or discomfort, and being careful not to hurt their feelings:
  not considerate of his family.

Collins Concise English Dictionary © HarperCollins Publishers::

thoughtful / ˈθɔːtfʊl/ adjective

1. considerate in the treatment of other people
2. showing careful thought
3. pensive; reflective

ˈthoughtfully adverb

ˈthoughtfulness noun