Forthright

Adjective

 * 1) straightforward; not evasive; characterized by candor and directness
 * The witness was considered eminently credible thanks to her forthright answers.

Thesaurus
aboveboard, artless, bluff, blunt, broad, brusque, candid, dead, dead ahead, direct, directly, downright, due, due north, explicit, frank, frankhearted, free, free-speaking, free-spoken, free-tongued, genuine, heart-to-heart, in a beeline, in line with, ingenuous, open, openhearted, outspoken, plain, plain dealing, plain-spoken, right, round, sincere, single, straight, straight across, straight ahead, straight-out, straightforward, straightforwards, straightly, transparent, unambiguous, unchecked, unconstrained, undeviatingly, undisguised, unequivocal, unguarded, uninhibited, unreserved, unrestrained, unswervingly, unvarnished, unveeringly