vbl. sb. Obs. [f. as prec. + -ING1.] Enlarging, amplifying.
1541. Elyot, Image Govt., 2. Almost fatigate with the longe studie about the correctyng and ampliatyng of my Dictionarie.
1678. Cudworth, Intell. Syst., 695. That besides this Power of Compounding things together, the Soul hath also another Ampliating, or Increasing and Improving Power.