a. Obs. [f. as prec.: see -IVE.] Formative, tending to form.
1647. H. More, Song of Soul, Notes 163/2. Δύναμις πλαστικὴ, is that efformative might in the seed that shapes the body in its growth.
1669. Gale, Crt. Gentiles, I. III. iii. 314. A plastick and efformative virtue.