1. A synonym of Matijñāna (perceptual cognition);
to search for the vyatirekadharmas (dharma (arrtibute) based on Vyatireka (assertion of the concomitance of the absence of Sādhya (probandum or major term) and the absence of Sādhana (proban or middle term)).
gaveṣaṇaṃ vyatirekadharmālocanaṃ gaveṣaṇā.
(ViBhā 396 Vṛ)
2. Third stage of Īhā (speculation),
in which by giving up the vyatirekadharma (dharma (arrtibute) based on Vyatireka (assertion of the concomitance of the absence of Sādhya (probandum or major term) and the absence of Sādhana (proban or middle term)), the anvayadharma (dharma (arrtibute) based on Anvaya (statement of the constant and invariable concomitance of the Sādhana (proban or middle term) (or Hetu) and the Sādhya (probandum or major term)) is thoroughly reflected on.
tasseva'tthassa vairegadhammapariccāo aṇṇayadhammasamālogaṇaṃ cagavesaṇatā bhaṇṇati.
(Nandī 4:5 Cm p.'36)
3. While undertaking investigation for acceptable food etc. to search for food free from blemishes of Udgama (blemish of bhikṣā (accepting food etc. by going to houses for collecting them in conformity with the canonical instruction)) relating to origination or preparation of food etc.) and Utpādana (the blemish pertaining to the ways adopted in obtaining bhikṣā (accepting food etc. by going to houses for collecting them in conformity with the canonical instruction)) by an ascetic).
ādhākamiādidoṣaparihārata udgamaṃ, dhātryādi doṣaparityāgataścotpādanām śuddhāmādadhīta.
(U 24.11 ŚāVṛ Pa 517)