Synonyms to due

according to Hoyle, according to regulations, according to rule, appropriate, by the book, by the numbers, condign, correct, decent, decorous, fit, fitting, good, kosher, nice, normal, normative, proper, right, right and proper, righteous, rightful, seemly, suitable, accountable, Englishable, alleged, amenable, answerable, ascribable, assignable, attributable, attributed, chargeable, charged, construable, credited, definable, derivable from, derivational, derivative, describable, explainable, explicable, imputable, imputed, interpretable, liable, obligated, obliged, owing, putative, referable, referred to, renderable, responsible, responsible for, to blame, traceable, translatable, acknowledgment, abject apology, acceptance, acknowledgments, acquittance, admission, allowance, answer, answering, antiphon, apology, appreciation, avowal, back, back answer, back matter, back talk, backchat, bastard title, benediction, bibliography, billet, blurb, boost, breast-beating, buildup, business letter, by-line, canceled check, catch line, catchword, chit, citation, cognizance, colophon, comeback, commendati