i Register
In some senses, factive is marked as obsolete. Watch for register when choosing this word.
adj
Licensing only those content clauses that represent claims that are (known or believed with certainty to be) true.
Under this account, verbs like forget and remember are classified as factive (1) and verbs like think and believe as nonfactive (2).
Which does not know any falsities: which knows only truths.
noun
A factive verb.
adj
Making; creative.