ˈthȯtfəl adjective
Etymology: Middle English, from thought (II) + -ful
1. : marked by thought: as
a. : absorbed in calm reflective thought : meditative
looked thoughtful for a moment and went away — Dashiell Hammett
b. : characterized by careful reasoned thinking
a thoughtful person, slow to act, who enjoys analyzing, interpreting, and patiently summarizing — W.J.Reilly
a thoughtful book on a serious subject — L.E.Seltzer
c. : having thoughts : mindful , heedful
became thoughtful about his personal religion and joined the church — H.K.Rowe
d. : marked by consideration for others : considerate
a thoughtful generous man
2. obsolete : suffering from anxiety or sorrow : sad , melancholy
• thought·ful·ly -fəlē, -li adverb
• thought·ful·ness noun -es