Definition of "extolment"

Sir, his definement suffers no perdition in you, though, I know, to divide him inventorially would dizzy the arithmetic of memory, and yet but yaw neither, in respect of his quick sail. But, in the verity of extolment, I take him to be a soul of great article, and his infusion of such dearth and rareness as, to make true diction of him, his semblable in his mirror, and who else would trace him, his umbrage, nothing more.

c. 1599-1602, William Shakespeare, The Tragedy of Hamlet, Prince of Denmark, act 5, scene 2; republished as Hamlet, New York: Dover Publications, Inc., 1992, page 113