facient

CIDE DICTIONARY

facient, n. [L. faciens, -- entis, p. pr. of facere to make, do. See Fact.].

One who does anything, good or bad; a doer; an agent. Bp. Hacket. [1913 Webster]
One of the variables of a quantic as distinguished from a coefficient. [1913 Webster]
" The terms facient, faciend, and factum, may imply that the multiplication involved is not ordinary multiplication, but is either some specified operation, or, in general, any mathematical operation. See Multiplication." [1913 Webster]