'Truthfulness' in the Bible

I have not ignored your righteousness in my heart; instead, I have proclaimed your faithfulness and deliverance. I have not concealed your gracious love and truthfulness from the great congregation.

LORD, do not withhold your mercy from me, for your gracious love and truthfulness will keep me safe continuously.

A king who judges with truthfulness [to] the poor, his throne will be established forever.

none calleth for justice, none pleadeth in truthfulness. They trust in vanity, and speak falsehood; they conceive mischief, and bring forth iniquity.

For if through my falsehood God's truthfulness glorifies him even more, why am I still being condemned as a sinner?

For I tell you that Christ has become a servant and a minister to the circumcision (Jews) on behalf of God’s truth, to confirm and verify the promises made to the fathers,

I was overjoyed when some brothers arrived and testified about your truthfulness and how you live according to the truth