Synonyms and related words :
advanced, broad, broad-gauged, catholic, cosmopolitan, deep, ecumenical, ecumenistic, freethinking, knowing, latitudinarian, learned, liberal, libertarian, libertine, noninsular, open-minded, profound, progressive, radical, sage, sapient, spacious of mind, tolerant, unbigoted, unfanatical, unhidebound, unparochial, unprovincial, wide, wide-minded, wise, wise as Solomon