What is the Latin word for righteousness?

The usual Latin words for “righteousness” are iūstitia, honestus, regō; also integritās. The right choice depends on the sense; see the distinctions below.

English → Latin

“righteousness” in Latin

iūstitiajustice, fairness, equity honestusfull of or regarded with honor; honorable; of high birth; noble; distinguished; respectable; eminent; bring or deserving regōto rule, govern, direct; to guide, steer, control; to oversee, manage integritāssoundness; integrity, blamelessness; chastity

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

righteousness

Piety, Vid:

Uprightness, justitia: honestas: rectum: integritas.

Quick answer

What is the Latin word for righteousness?: The usual Latin words for “righteousness” are iūstitia, honestus, regō; also integritās. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.