constative
adjective
con·sta·tive kən-ˈstā-tiv 
ˈkän-stə-tiv
ˈkän-stə-tiv 1
: of, relating to, or being a verbal form that expresses past completed action compare performative sense 1
2
: being or relating to an utterance (such as an assertion, question, or command) that is capable of being judged true or false
constative noun
Word History
Etymology
constate to assert positively, from French constater, from Latin constat it is certain, 3rd singular present indicative of constare
First Known Use
1901, in the meaning defined at sense 1