Synonyms for Righteous:

adj.

angelic (adjective)
good, godly.
authoritative (adjective)
faithful, reliable, sound.
blameless (adjective)
unimpeachable, faultless, unsullied, clean, untarnished, unspotted.
correct (adjective)
proper, strict, true.
deserving (adjective)
rightful, estimable.
elevated (adjective)
ethical, high-minded, upstanding.
exemplary (adjective)
correct.
innocent (adjective)
uncorrupted, irreproachable.
meritorious (adjective)
meritorious.
reliable (adjective)
trustworthy.
reputable (adjective)
honorable.
respectable (adjective)
forthright, angelical, worthy, untarnished, honorable, irreproachable, honest, pure, good, noble, blameless, principled, right-minded, saintly, upstanding, law-abiding, fair, unimpeachable, moral, creditable, virtuous, respectable, estimable, true.
righteous (adjective)
guiltless, impartial, moral, sterling, irreproachable, charitable, peerless, trustworthy, right-minded, pure, dutiful, laudable, meritorious, virtuous, exemplary, spiritual, blameless, fair, godlike, noble, devout, creditable, upright, honorable, devoted, equitable, scrupulous, praiseworthy, conscientious, deserving, holy, commendable, law-abiding, saintly, worthy, angelic, just, ethical, faithful, reverent, punctilious, philanthropic.
virtuous (adjective)
decent, heroic, faultless, ethical, Taintless, high-minded, clean, valorous, unspotted, unsullied, uncorrupted, guiltless, virtuous.

n.

blind, deep-seated, casual, basic, depth, deep, burning, bitter, acutely, affective. godly, zealous, angelic, faithful, devotional, godlike, correct, spiritual, fervent, reverential, irreligious, impious, religious, devoted, holy, devout, rigid, strict, reverent, pious. self-righteous, egotistic, hypocritical, sanctimonious. straight-shooting, incorruptible. rightful, proper. righteous (noun)
moral, just, upright, good, virtuous, sound.

Other synonyms:

straight-shooting, reliable. rightful, incorruptible. proper. fair
just.
saintly
angelic.
sinless
holy.

Usage examples for righteous

  1. No Difficulties should discourage us in the Support of a Cause, so righteous in the Sight of Heaven as I believe ours to be, and so interresting to Mankind. – The Original Writings of Samuel Adams, Volume 4 by Samuel Adams
  2. Assured that they had done everything that should have been done, the self- righteous parents went back home. – How and When to Be Your Own Doctor by Dr. Isabelle A. Moser with Steve Solomon
  3. When other people annoy us, we have the tonic effect of righteous indignation; but not when we annoy ourselves and know ourselves to blame. – The Spinners by Eden Phillpotts