The Collaborative International Dictionary
Factive
Factive \Fac"tive\, a.
Making; having power to make. [Obs.] ``You are . . . factive,
not destructive.''
--Bacon.
Wiktionary
factive
a. 1 (context linguistics of a verb English) license only those content clauses that represent claims assumed to be true. 2 (context epistemology of a knowing agent English) which does not know any falsities: which knows only truths.