- visionary (adj.)
[visionary 词源字典]
- "able to see visions," 1650s (earlier "perceived in a vision," 1640s), from vision + -ary. Meaning "impractical" is attested from 1727. The noun is attested from 1702, from the adjective; originally "one who indulges in impractical fantasies."[visionary etymology, visionary origin, 英语词源]