artful (adj.)youdaoicibaDictYouDict[artful 词源字典]
1610s, "learned, well-versed in the (liberal) arts," also "characterized by technical skill," from art (n.) + -ful. Meaning "skilled in adapting means to ends" is from 1739. Related: Artfully; artfulness.[artful etymology, artful origin, 英语词源]