Affirmo, affirmas, affirmâre. Ex Ad & Firmo firmas compositum. To affirme: sometime to consirme and stablish.Certum affirmare.Liu.To affirme for a suretie.Affirmare asseueratione Cic.To affirme certainely.Affirmare crimen, Verisimile reddere.Liu.To approoue.Affirmare fortissimè. Quint. To affirme earnestly.Affirmare iureiurando.Liu.To auouch with an othe.Affirmare pro certo.Liu.Temerè affirmare de aliquo.Cic.Valde affirmare de aliquo.Cic. Populi Romani virtutem armis affirmaui.Tacit.I haue confirmed or stablished.Affirmare se animo. Catul. To take a good courage.Affirmare spem. Liuius. To confirme hope: to make it more sure.
Lewis and Short: Latin dictionary
af-firmo (better adf-), āvi, ātum, 1, v. a.I.To present a thing in words, as fixed, firm, i. e. certain, true; to assert, maintain, aver, declare, asseverate, affirm: dicendum est mihi, sed ita, nihil ut adfirmem, quaeram omnia, Cic. Div. 2, 3; so id. Att. 13, 23; id. Brut. 1, 1: jure jurando, Liv. 29, 23: quidam plures Deo ortos adfirmant, Tac. G. 2; cf. id. Agr. 10: adfirmavit non daturum se,
he protested that he would give nothing
, Suet. Aug. 42.—Impers.: atque affirmatur, Tac. H. 2, 49.—Hence, II.To give confirmation of the truth of a thing, to strengthen, to confirm, corroborate, sanction: adfirmare spem alicui, Liv. 1, 1: opinionem, id. 32, 35: dicta alicujus, id. 28, 2: aliquid auctoritate sua, id. 26, 24: populi Romani virtutem armis, Tac. H. 4, 73: secuta anceps valetudo iram Deūm adfirmavit, id. A. 14, 22.—Hence, affirmanter (adf-), adv. (of the absol. P. a. affirmans), with assurance or certainty, assuredly: praedicere aliquid, Gell. 14, 1, 24; and: af-firmātē (adf-), adv. (of the absol. P. a. affirmatus), with asseveration, with assurance, certainly, assuredly, positively: quod adfirmate, quasi Deo teste promiserit, id tenendum est, Cic. Off. 3, 29.—Sup.: adfirmatissime scribere aliquid, Gell. 10, 12, 9.