1. Knowledge (cognition of the specific attributes)-The state of consciousness emerging due to Kṣaya (annihilation) or Kṣayopaśama (annihilation-cum-subsidence) of knowledge-veiling Karma, through which the categories of truth like Jīva (soul) etc. are known.
khayovasamiyakhāiena vā bhāvenajivādipada- tthā najjamti iti nānam.
(Nandī 6.11 Vṛ p. 24)
2. Knowledge is essentially a product of sentience, which is the nature of the self (soul).
jñānaṃ cetanā ātmanaḥ svariipaṃ iti.