visionary visionary /ˈvɪʒəˌnɛri/

adjective

1. Not practical or realizable; speculative  ( airy , impractical , Laputan , visionary , windy )
   not practical or realizable; speculative
    Airy theories about socioeconomic improvement
   airy theories about socioeconomic improvement
    Visionary schemes for getting rich
   visionary schemes for getting rich
   

noun

1. A person with unusual powers of foresight  ( illusionist , visionary , seer )
   a person with unusual powers of foresight
   
   
2. A person given to fanciful speculations and enthusiasms with little regard for what is actually possible  ( visionary )
   a person given to fanciful speculations and enthusiasms with little regard for what is actually possible