1. cleansing, getting bright (of sun & moon) DN.i.10 (= visuddhatā DN-a.i.95)
2. purity (from the kilesas, or stains of sin), purification sanctification MN.i.115 (opp. sankilesa); SN.iii.151 (citta˚, adj.; opp. citta-sankilesa); AN.iii.418 sq.; AN.v.34; Pts.i.166; Vb.343; Ne.96, Ne.100, Ne.125 sq.; Vism.51 sq. Vism.89; Vb-a.401; Dhp-a.iii.405.

fr. vi + ava + dā⁴ to clean, cp. BSk. vyavadāna Divy.616; Avs.ii.188