n. 25B6; noun
I can attest to his honesty : INTEGRITY, uprightness, honourableness, honour, morality, morals, ethics, (high) principles, righteousness, right-mindedness; virtue, goodness, probity, high-mindedness, fairness, incorruptibility, truthfulness, trustworthiness, reliability, dependability.
they spoke with honesty about their fears : SINCERITY, candour, frankness, directness, truthfulness, truth, openness, straightforwardness.