See ingenuous in Webster's New World Roget's A-Z Thesaurus II
adjective
Free from guile, cunning, or deceit:
artless, guileless, innocent, naive, natural, simple, unaffected, unsophisticated, unstudied, unworldly. See honestManifesting honesty and directness, especially in speech:
candid, direct, downright, forthright, frank, honest, man-to-man, open, plainspoken, straight, straightforward, straight-out, unreserved. (Informal) straight-from-the-shoulder, straight-shooting. See clear, show
Learn more about ingenuous