English

factive

From fact + -ive.

A compound of fact + -ive

Proto-Indo-European *dʰeh₁- ‘to put’

Latin faciō ‘do’

Latin factus ‘done or made’

Latin factum ‘an act’

Old French fact

English fact

Today it means

adj Licensing only those content clauses that represent claims that are (known or believed with certainty to be) true.

Language periods are conventional ranges, not dates for this word.