[con.sta.tive] adj [constate to assert positively, fr. F constater, fr. L constat it is certain, 3d sing. pres. indic. of constare] (1901) 1: of, relating to, or being a verbal form that expresses past completed action
2: being or relating to an utterance (as an assertion, question, or command) that is capable of being judged true or false -- constative n