Unsophisticate, Unsophisticated, a.
Not sophisticated; pure; innocent; genuine. -- Un`so*phis"ti*ca`ted*ness, n.
Shades of meaning
Fernald has no entry of its own for unsophisticated; he lists it under candid, rustic.
Where he writes about it:
On the other hand, artless, guileless, naive, simple, and unsophisticated express the goodness which comes from want of the knowledge or thought of evil. — from candid
Synonyms
candidrusticaboveboardagriculturalartlessawkwardboorishbucolicclownishcoarsecountrifiedcountryfairfrankguilelesshoidenishhonestimpartialinelegantingenuousinnocentnaiveopenoutlandishpastoralplainruderuralsimplesincerestraightforwardsylvantransparenttruthfulunbiaseduncouthunpolishedunprejudicedunreserveduntaughtverdant