D defs.my
Entry 1 sense Webster, 1913

Righteous

/rīch'-əs/ · Right·eous · IPA /ˈɹaɪt͡ʃəs/
01 a. Doing, or according with, that which is right; yielding to all their due; just; equitable; especially, free from wrong, guilt, or sin; holy…
  1. 1.
    Doing, or according with, that which is right; yielding to all their due; just; equitable; especially, free from wrong, guilt, or sin; holy; as, a righteous man or act; a righteous retribution.
    “Fearless in his righteous cause.” Milton.