v. 1 tr. find out or establish precisely (have to determine the extent of the problem). 2 tr. decide or settle (determined who should go). 3 tr. be a decisive factor in regard to (demand determines supply). 4 intr. & tr. make or cause (a person) to make a decision (we determined to go at once; what determined you to do it?). 5 tr. & intr. esp. Law bring or come to an end. 6 tr. Geom. fix or define the position of. be determined be resolved (was determined not to give up). determinable adj.
[ ME f. OF determiner f. L determinare (as DE-, terminus end) ]