confidence artist (noun) swindler: person who cheats another
Sinonime: astute, commonsensical,
cool, down-to-earth, hard-headed,
judicious, levelheaded, matter-of-fact,
practical, rational, realistic, sane, sensible,
shrewd,
soundAntonime: foolish, impractical,
insane, unreasonable, unsensible, unsound