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ĭdĕo , adv. id-eo, i. e. this for this,
I.for that reason, on that account, therefore (class.; esp. freq. in Quint.; cf.: eo, idcirco; ergo, igitur, itaque).
I. Relatively.
A. With causal particles, quod, quia, quoniam.
(γ). With quoniam: ideo supervacaneum esse contendunt, quoniam comprehensibilis natura est, Cels. praef. med.: “quae omnia ideo noscenda sunt, quoniam, etc.,id. 2, 19: “immo ideo magis propera, quoniam id nunc aggressus est,Sen. Ep. 76; Plin. 20, 18, 76, § 200: “hoc ideo adjectum est, quoniam multa genera sunt missionum,Dig. 3, 2, 2.—
B. With intentional particles, ut, ne, quo, quin.
(γ). With quo: “quod id ideo facerent, quo facilius deminuerent hostes,Varr. L. L. 5, § 90 Müll. —*
C. Non (nec) ideo, with conditional particle si, or referring to an abl. absol.: non, si non potuero indagare, eo ero tardior; “sed velocior ideo si quivero,Varr. L. L. 5, § 5 Müll.; id. R. R. 1, 18, 3: “vestrae sapientiae est, judices, non, si causa justa est viris fortibus oppugnandi M. Caelium, ideo vobis quoque vos causam putare esse justam, etc.,Cic. Cael. 9, 21; “his et talibus recitatis,... non ideo Thrasea decessit sententia,Tac. A. 14, 49: “si tamen tempestate fuerit abreptus, non ideo minus erit gubernator,Quint. 2, 17, 24; 5, 11, 34.—
II. Absol. (rare): “te velle uxorem aiebat tuo nato dare, Ideo aedificare hoc velle aiebat in tuis,Plaut. Most. 4, 3, 34: ex illa investigatione naturae consequi volebat, bono ut esset animo. Ideo enim ille summum bonum εὐθυμίαν appellat, etc., it was for this reason that, etc., Cic. Fin. 5, 29, 87: “ideo conducta Paulus agebat sardonyche,Juv. 7, 143: nam ideo dictus εἴρων, agens imperitum, Quint. 9, 2, 46: “nihil laboras: ideo, cum opus est, nihil habes,Phaedr. 4, 23, 16; Quint. 5, 10, 2: “atque ideo ad Pompeium contendit,Caes. B. C. 3, 11, 1: “me nemo ministro fur erit, atque ideo nulli comes exeo,Juv. 3, 47; 7, 23; 8, 251 al.; so, ideoque, Quint. prooem. § 9; 25; 1, 4, 19; 1, 5, 42; 1, 6, 22 et saep.; cf.: “ideoque et medius ille orationis modus maxime convenit,id. 6, 2, 19; 7, 4, 13: “videbat id sine rege Persarum non posse fieri, ideoque eum amicum sibi cupiebat adjungi,Nep. Alc. 9, 5: “ideoque necesse est, etc.,Lucr. 4, 490; 495; 678 al.; Suet. Caes. 45; 86 al.: “considerandum est, num cui saepius horum aliquid eveniat, neque ideo corporis ulla difficultas subsequatur,Cels. 2, 2: “nec ideo iram ejus lenient = nec tamen ideo,Tac. A. 1, 12; Verg. G. 2, 96; Suet. Aug. 45: “non tamen his ulla umquam opsonia fiunt rancidula, aut ideo pejor gallina secatur,Juv. 11, 135.
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hide References (42 total)
  • Cross-references in general dictionaries from this page (42):
    • Cicero, Letters to his Friends, 13.7.3
    • Cicero, Letters to Atticus, 2.1.1
    • Cicero, Letters to Atticus, 3.14.2
    • Cicero, Letters to his brother Quintus, 3.1.7
    • Cicero, For Marcus Caelius, 9.21
    • Cicero, On the Agrarian Law, 3.2.4
    • Cicero, For Sextus Roscius of Ameria, 30.85
    • Cicero, Against Verres, 2.1.106
    • Cicero, Against Verres, 2.4.7
    • Livy, The History of Rome, Book 2, 15.2
    • Plautus, Mercator, 3.1
    • Plautus, Mostellaria, 4.3
    • Vergil, Georgics, 2.96
    • Caesar, Civil War, 3.11.1
    • Tacitus, Annales, 14.49
    • Tacitus, Annales, 1.12
    • Tacitus, Historiae, 4.73
    • Plautus, Menaechmi, 1.1
    • Lucretius, De Rerum Natura, 4.495
    • Lucretius, De Rerum Natura, 4.490
    • Lucretius, De Rerum Natura, 4.678
    • Suetonius, Divus Augustus, 45
    • Suetonius, Divus Julius, 45
    • Cornelius Nepos, Alcibiades, 9.5
    • A. Cornelius Celsus, De Medicina, 2.2
    • Livy, The History of Rome, Book 4, 6.2
    • Livy, The History of Rome, Book 45, 22.5
    • Cicero, de Finibus Bonorum et Malorum, 5.29
    • Cicero, Tusculanae Disputationes, 1.8
    • Quintilian, Institutio Oratoria, Book 2, 17.24
    • Quintilian, Institutio Oratoria, Book 2, 21.11
    • Quintilian, Institutio Oratoria, Book 5, 11.34
    • Quintilian, Institutio Oratoria, Book 4, 1.33
    • Quintilian, Institutio Oratoria, Book 5, 10.2
    • Quintilian, Institutio Oratoria, Book 9, 2.46
    • Quintilian, Institutio Oratoria, Book 9, 2.69
    • Quintilian, Institutio Oratoria, Book 10, 1.131
    • Quintilian, Institutio Oratoria, Book 10, 5.16
    • Quintilian, Institutio Oratoria, Book 10, 7.31
    • Quintilian, Institutio Oratoria, Book 12, 10.2
    • Seneca, Epistulae, 76
    • Cicero, De Inventione, 2.23
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