Thoughtful
来自Big Physics
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wiktionary
From Middle English thoȝtful, thohtful, equivalent to thought + -ful. Compare Dutch gedachtenvol.
etymonline
thoughtful (adj.)
c. 1200, "contemplative, occupied with thought," from thought + -ful. Also in Middle English, "prudent; moody, anxious." Meaning "showing consideration for others" is from 1851 (compare thoughtless.) Related: Thoughtfully; thoughtfulness.
