ārādhaka

adjective noun

  1. [perhaps for *āraddhaka because of analogy to āraddha of ā + rabh ] successful accomplishing or accomplished, undertaking, eager Vin.i.70 (an˚ one who fails); MN.i.491; MN.ii.197 = AN.i.69; Mil.243; SN.v.19; AN.v.329 (in correlation with āraddhaviriya).
  2. pleasing, propitiating Mil.227; Vv-a.220 (˚ikā f.).

fr. ā + rādh