tīraṇa : [nt.] decision; judgement.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Tīraṇa [from tīreti 2] measurement, judgment, recogni- tion, Nd2 413 (v. l. tir˚); Nett 54 (+vipassanā), 82 (≈ñāṇa), 191; Vism 162. -- tīraṇa is one of the 3 pariññās, viz. t˚, pahāna˚, ñāta -- pariññā. See under pariññā.

Pali-English Dictionary, TW Rhys Davids, William Stede,