[f. as prec. + -ING2.] That clarifies or makes clear.

1

1630.  J. Taylor (Water P.), Clean Linen, Ded. Wks. II. 164. The Most Mondifying, Clarifying, Purifying and Repurifying, Cleanser … of polluted Linnen.

2

1668.  Howe, Bless. Righteous (1825), 162. The clarifying sights of God.

3