2.53 If it be asked, 'By becoming possessed of the wisdom arising from the discrimination about the Self after overcoming the turbidity of delusion, when shall I attain the yoga of the supreme Reality which is the fruit that results from Karma-yoga?', then listen to that; Yada, when at the time when; te, your; buddhih, mind; that has become sruti-vi-pratipanna, bewildered, tossed about, by hearing (the Vedas) that reveal the diverse ends, means, and (their) relationship, i.e. are filled with divergent ideas; sthasyati, will become; niscala, unshakable, free from the trubulence in the form of distractions; and acala, steadfast, that is to say, free from doubt even in that (unshakable) state; samadhau, in samadhi, that is to say, in the Self  samadhi being derived in the sense of that in which the mind is fixed; tada, then, at that time; avapsyasi, you will attain; yogam, Yoga, the enlightenment, Self-absorption, that arises from discrimination.
Having got an occasion for iniry, Arjuna, with a view to knowing the characteristics of one who has the realization of the Self, [By the word samadhi is meant the enlightenment arising from discrimination, which has been spoken of in the commentary on the previous verse. The steadfastness which the monks have in that enlightenment is called steadfastness in Knowledge. Or the phrase may mean, 'the enlightenment achieved through meditation on the Self', i.e. the realization of the supreme Goal.] asked: