His salvation; the redemption or salvation of the world by the Messias; which was hitherto reserved as a secret among the Jews, yea, was not thoroughly known and believed by the most of the Jews themselves. His righteousness; either his faithfulness in accomplishing this great promise of sending the Messias; or his goodness and mercy, oft called by this Hebrew word; or the righteousness of God or of Christ revealed in the gospel.
Related Commentaries of Psalms 98:2
Psalms 98:2
2 The LORD hath made known his salvation: his righteousness hath he openly shewed in the sight of the heathen.