Synonyms of above-board

1 Syllable

plain, frank, straight, true, real, just, fair

2 Syllables

decent, upfront, open, honest, forthright, direct, trusty, upright, proper, outright, virtuous

3 Syllables

reliable, straightforward, conscientious, high-minded, authentic, ingenuous, unfeigned, trustworthy, veracious, impartial, sincere, ethical, scrupulous, genuine

4 Syllables

honorable, undisguised, reputable, equitable, law-abiding