marked by or showing unaffected simplicity and lack of guile or worldly experience
<adj.all> a teenager's naive ignorance of life the naive assumption that things can only get better this naive simple creature with wide friendly eyes so eager to believe appearances
Naif \Na"["i]f`\ (?; formerly ?), a. [F. na["i]f. See {Na["i]ve}.] 1. Having a true natural luster without being cut; -- applied by jewelers to a precious stone.
2. Na["i]ve; as, a na["i]f remark. --London Spectator.
A naif might assume that in a democracy, issues of tax and spend should be debated in public, but the commission is more sophisticated.