Ethically

(adv.) According to, in harmony with, moral principles or character.

Thesaurus Entries

authentically, blamelessly, bluntly, candidly, conscientiously, creditably, decently, dependably, disinterestedly, equitably, erectly, ethically, fairly, fastidiously, frankly, genuinely, high-mindedly, honorably, immaculately, impartially, in good faith, in plain English, in plain words, ingenuously, irreproachably, justly, legitimately, meticulously, morally, naturally, nobly, objectively, openly, plainly, punctiliously, purely, really, reliably, reputably, righteously, scrupulously, simply, sincerely, stainlessly, straightforwardly, truly, truthfully, unaffectedly, unambiguously, unassumedly, unequivocally, unimpeachably, unreservedly, unspottedly, uprightly, upstandingly, veridically, virtuously, warts and all, worthily