to speak more or better, to surpass in talk or speech; to talk somebody down, to persuade, entice Vin.iv.224, Vin.iv.263; SN.ii.204 sq.; Ja.v.433 (variant reading BB ajjhārati), Ja.v.434 (variant reading BB aghācarati for ajjhācarati = ajjhāvadati?).

ati + āvadati; or is it = ajjhāvadati = adhi + āvadati?