FACT Copy link • FACTfactum. This is a fact, or I know this to be a fact, hoc certo auctore comperi. Facts, res (plur.); facta (plur.). The composition of a history depends upon the facts and the words used to convey them, exaedificatio historiae posita est rebus et verbis: to pass from fables to facts, ut jam a fabulis ad facta veniamus: the fact being undisputed, cum esset controversia nulla facti (of the act having been committed). In fact, revera: reapse: re et veritate (really, not merely in words): sane, profecto (as a form of asseveration) :