[above.board] adv [fr. the difficulty of cheating at cards when the hands are above the table] (1594): in a straightforward manner: openly
[2]aboveboard adj (1648): free from all traces of deceit or duplicity
[above.board] adv [fr. the difficulty of cheating at cards when the hands are above the table] (1594): in a straightforward manner: openly
[2]aboveboard adj (1648): free from all traces of deceit or duplicity
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012