(theology) A Christian doctrine, one of the five points of Calvinism, stating that true believers in Jesus Christ's substitutionary atonement on the cross (the "saints") cannot relapse and are predestined to salvation.

(psychology) the effect of an individual preserving his/her affect even when he/she is presented with evidences that contradict it.

Continuing in a course of action without regard to discouragement, opposition or previous failure.

plural of perseverance