It is unfortunate that the positive notion of farius did not also come into our language. In other words, though a law may be said to be nefarious, it would be a neologism to say that a law is farious or in accord with divine law. Though the adjective farious is not commonly used in the English as meaning in accord with divine law, it has found its way into common use in the fields of biology or botany. The word farious is used by biologists and botanists in the sense of arrangement, order, or ways. Thus, bifarious is an adjective that describes plants pointing in two ways, or in two rows. The word also finds use in unifarious (one part, row, ordering, or ranks), trifarious (three ranks), quadrifarious (arranged in four ranks), quinquefarious (five), septifarious (seven), and omnifarious, or plurifarious (many orderings or ranks). More commonly, we see the concept in the word multifarious, a word which has found its way in common English usage, and which means including many parts or things, a great multiplicity of parts or ways or orderings.
White Veratrum (Veratrum album)
and its trifariously arranged leaves
Used in its original sense, a nefarious law is no law at all, something with which St. Augustine in his On the City of God, St. Thomas in his Summa Theologiae, or Martin Luther King in his "Letter from Birmingham Jail" would be in agreement. A farious law, on the other hand, is a law consonant with divine law, with the natural law. A farious law is one that binds in conscience, for even human law, if consonant with divine law, binds in conscience. A farious law is one that is not crooked or out of the way, but, quite the opposite, is straight, singular, and on the way.
May all our laws be farious!