• above board, fair, frank, honest, honorable, honourable, ingenuous, just, respectable, right, righteous, single, sound, square, straight, straightforward, true, trustworthy, trusty, up front, upright, upstanding, white
• fairly, justly, on the level, on the square, squarely, trustworthily
• fairness, frankness, honesty, honor, honour, integrity, probity, rectitude, righteousness, squareness, straightforwardness, trustworthiness, uprightness
• defamation, libel, slander
• on my honor, on my honour, upon my honor, upon my honour, upon my word
• to do the right thing, to play a square game, to play the game
• to pawn one's honour, to pawn one's word, to pledge one's word
• cross of the legion of honour