Dictionary Definition:
Aññā (f.) [Sk. ājñā, = ā + jñā, cp. ājānāti] knowledge, recognition, perfect knowledge, philosophic insight, knowledge par excellence, viz. Arahantship, saving knowledge, gnosis (cp. on term Compend. 176 n. 3 and Psalms of Brethren introd. xxxiii.) M i.445; S i.4 (sammad˚), 24 (aññāya nibbuta); ii.221; v.69, 129 (diṭṭhɔeva dhamme), 133, 237; A iii.82, 143, 192; v.108; It 39 sq., 53, 104; Dh 75, 96; Kh vii.11; Miln 334. -- aññaŋ vyākaroti to manifest ones Arahantship (by a discourse or by mere exclamation) Vin i.183; S ii.51 sq., 120; iv.139; v.222; J i.140; ii.333. See also arahatta.
-- atthika desirous of higher knowledge Pv iv.114. -- ārādhana the attainment of full insight M i.479. -- indriya the faculty of perfect knowledge or of knowledge made perfect D iii.219; S v.204; It 53; Pug 2; Dhs 362, 505, 552; Nett 15, 54, 60. -- citta the thought of gnosis, the intention of gaining Arahantship S ii.267; A iii.437. -- paṭivedha comprehension of insight Vin ii.238. -- vimokkha deliverance by the highest insight Sn 1105, 1107 (Nd2 19: vuccati arahatta -- vimokkho).