to determine, indicate, or express the quantity of.

Logic . to make explicit the quantity of (a proposition).

to give quantity to (something regarded as having only quality).

verb

appraise , assess , calibrate , check , compute , count , determine , estimate , evaluate , figure , gauge , look over , rank , rate , size , specify , value , weighnotes:qualify means to describe the character or the qualities or peculiarities of - or to prove capable or fit , while quantify means to express as a number or measure or quantity