The cognitive part of Parijñā (renunciation based on comprehension); the acumen to comprehend a thing or an idea in its entirety.
jāṇaṇāpariṇṇā ṇāma jo jaṃ kiṃci attham jāṇai, sā tassa jāṇaṇāpariṇṇā bhavati.
(DaJiCū p. 116)
See - Pratyākhyānaparijñā.