veracious

candid, direct, forthcoming, forthright, foursquare, frank, free-spoken, open, openhearted, out-front, outspoken, plain, plainspoken

believable, credible, true, veritable

artless, earnest, genuine, guileless, unaffected, unpretending, unpretentious

conscientious, moral, principled, scrupulous

aboveboard, dependable, reliable, trustworthy, trusty

lifelike, realistic

careful, conscientious, meticulous, punctilious, scrupulous

authoritative

bona fide, genuine, real

legitimate, logical, sound, valid

errorless, faultless, flawless, impeccable, inerrant, infallible, letter-perfect, perfect

rigorous, strict, stringent