adj. 25B6; adjective ARTLESS, ingenuous, naive, open, genuine, natural, simple, childlike, innocent, unsophisticated, unworldly, unsuspicious, trustful, trusting; honest, truthful, sincere, straightforward.
scheming.
GUILELESS
Meaning of GUILELESS in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012