straight

aboveboard accepted accurate artless as the crow flies bald bang believable bona fide concentrated conventional conventional credible dead decent directly direct direct downright due ethical even-handed evenly even faithful fair firsthand flat forthright frankly frank good honest-to-goodness honest horizontal impersonal incorruptible invariant legal liege level literally middle-of-the-road moderate moral more believable more accurate more concentrated more credible more decent more even more ethical more moderate more moral more proper more regular more uniform more trustworthy more trustworthy most trustworthy most trustworthy objective on the level openhearted openly orthodox perpendicular plainspoken planar plumb plumb point-blank point-blank prim principled proper pure purest regular right-minded rightness right right short smack smack-dab square square straightaway straightforward straightforward straight-out straight-from-the-shoulder straight-shooting strictest stricter strict through through transparent truest true true truer trustworthy/trusty trustier trustiest truthful trustworthy unbiased unbowed undiluted unequivocal unfailing uniform uninterrupted unprejudiced unswerving unvarnished upright upright virtuous virtuousness