Paṭhamavibhaṅgasutta

sn48.9:5.1 And what is the faculty of wisdom?

sn48.9:5.2 It’s when a noble disciple is wise. They have the wisdom of arising and passing away which is noble, penetrative, and leads to the complete ending of suffering.

sn48.9:5.3 This is called the faculty of wisdom.

sn48.9:5.4 These are the five faculties.”