Synonyms and related words :
artless, bluff, blunt, bold, born yesterday, broad, brusque, budding, callow, candid, childlike, confiding, cullible, deceivable, deludable, dewy, direct, downright, dupable, easy, explicit, exploitable, fair, fair and square, foolable, forthright, frank, frankhearted, free, free-speaking, free-spoken, free-tongued, genuine, green, growing, guileless, gullible, heart-to-heart, hoaxable, honest, honorable, hoodwinkable, humbugable, immature, impubic, inexperienced, ingenu, innocent, intact, juicy, just, minor, naive, natural, new-fledged, on the level, open, openhearted, outspoken, persuadable, plain, plain-spoken, raw, ripening, round, sappy, seduceable, simple, simplehearted, simpleminded, sincere, single-hearted, single-minded, soft, straight, straight-out, straightforward, suggestible, tender, transparent, trustful, trusting, trustworthy, unabashed, unadult, unaffected, unartificial, unchecked, uncomplicated, unconstrained, undeceitful, undeceptive, underage, undeveloped, undissembling, unequivocal, unfeigning, unfledged, unformed, unguarded, uninhibited, unlicked, unmellowed, unreserved, unrestrained, unripe, unschooled, unseasoned, unsophisticated, unstudied, unsuspicious, unwary, vernal, victimizable, virginal