fastus, a, um, adj. perh. root ΦΑ, φάσκω, φημί, fari; lit., in which it is allowed to speak, fasti dies; and more commonly absol.: fasti, ōrum, m. (acc. to the 4th decl. acc. fastus, Varr. ap. Prisc. p. 711 P.; Col. 9, 14, 12; Sil. 2, 10; Sen. Tranq. An. 14, 2; Hor. C. 4, 14, 4 Bentley (dub.); abl. fastibus, Luc. 10, 187), a publicists' t. t., a day on which judgment could be pronounced. on which courts could be held, a court-day (opp. nefasti, v. nefastus; cf. also: feriae, justitium, otium). Prop.: ille (dies) nefastus erit, per quem tria verba (DO, DICO, ADDICO) silentur: Fastus erit, per quem lege licebit agi, Ov. F. 1, 48; Varr. L. L. 6, 4, § 29 sq. Müll. The register of these legal court-days, which for a long time existed only in the archives of the pontifices, was kept from the knowledge of the people, until Cn. Flavius, scribe to the Pontifex Maximus Appius Caecus, posted up a copy in the Forum: posset agi lege necne, pauci quondam sciebant, fastos enim volgo non habebant, Cic. Mur. 11, 25; cf.: (Cn. Flavius) fastos circa forum in albo proposuit, ut, quando lege agi posset, sciretur, Liv. 9, 46, 5; Plin. 33, 1, 6, § 17; Val. Max. 2, 5, 2.— Transf. In gen., an enumeration of all the days of the year, with their festivals, magistrates, events, etc., a calendar, almanac (syn.: annales, historia, res gestae, narratio, fabula): fastorum libri appellantur, in quibus totius anni fit descriptio: fasti enim dies festi sunt, Paul. ex Fest. p. 87, 19 Mull. N. cr.: ordo ipse annalium mediocriter nos retinet quasi enumeratione fastorum, Cic. Fam. 5, 12, 5: cum diem festum ludorum de fastis suis sustulissent, Cic. Verr. 2, 4, 67, § 151: fastos correxit (Caesar), Suet. Caes. 40: ut omne tempus ... ita in fastos referretur, id. Aug. 100; cf. id. Tib. 5.— Esp. The Fasti consulares, or registers of the higher magistrates, according to their years of service (v. Orelli, Onomast. Tullian. P. III.): quae (tempora) semel Notis condita fastis Inclusit volucris dies (i. e. fastis consularibus), Hor. C. 4, 13, 15: per titulos memoresque fastos, id. ib. 4, 14, 4; so, memores, id. ib. 3, 17, 4: tempora si fastosque velis evolvere mundi, id. S. 1, 3, 112: qui redit in fastos et virtutem aestimat annis, etc., id. Ep. 2, 1, 48: in codicillorum fastis, Cic. Att. 4, 8, 3: paginas in annalibus magistratuum fastisque percurrere, Liv. 9, 18, 12: ex fastis evellere, Cic. Sest. 14, 33: hos consules fasti ulli ferre possunt, id. Pis. 13, 30.— Fasti Praenestini a Verrio Flacco ordinati et marmoreo parieti incisi, Suet. Gram. 17; cf. Inscr. Orell. II. p. 379 sq., and the authors there cited; v. also Anthon's Dict. of Antiq. p. 432 sq.— Fasti, the title of a poem of Ovid, on the Roman festivals, the festival-calendar; which, however, he completed for but six months of the year.