na·ive
? ?/n??iv/ [nah-eev]
adjective
1.
having or showing unaffected simplicity of nature or absence of artificiality; unsophisticated; ingenuous.
2.
having or showing a lack of experience, judgment, or information; credulous: She's so naive she believes everything she reads. He has a very naive attitude toward politics.
Synonyms
1. simple, unaffected, unsuspecting, artless, guileless, candid, open, plain.