Lewis & Short

intrō-dūco, duxi, ductum, 3, v. a., to lead or bring into a place, to conduct into or within (syn.: induco, immitto).

  1. I. Lit.
          1. (α) With acc.: gregem venalium, Plaut. Aul. 3, 3, 4: noctu milites, Sall. J. 12, 4: Volturcium cum legatis, id. C. 46, 6: praesidium, Caes. B. C. 1, 13, 2; cf. se, Curt. 3, 12, 10: aliquem tecum, id. 8, 8, 19: quod oppidum cohortibus introductis tenebat, Caes. B. C. 1, 12, 3.
          2. (β) With in and acc.: si suas copias Aedui in fines Bellovacorum introduxerint, Caes. B. G. 2, 5, 3: legationes in senatum, Liv. 10, 45, 4: in senatum aliquem ad agendas gratias, Suet. Oth. 2: praesidium in urbem Chium, Curt. 4, 1, 17.
          3. (γ) With ad and acc.: ad regem, Curt. 6, 7, 17.
          4. (δ) With eo: nacti portum, eo naves introduxerunt, Caes. B. C. 3, 26, 4.
  2. II. Trop.
    1. A. To bring in, introduce: philosophiam in domos, Cic. Tusc. 5, 4: aliquem in possessionem, Dig. 25, 5, 2: ambitionem in senatum, to introduce, Cic. Phil. 11, 8, 19; Dig. 9, 4, 26: senatusconsulta, ib. 29, 5, 1.
      1. 2. Esp., in speaking or writing, to introduce a person or subject: Catonem senem disputantem, Cic. Lael. 1, 3: sermones, Quint. 9, 2, 30: fictam narrationem, id. 4, 2, 19; cf.: pictores animas sensibus auctas, represented, Lucr. 3, 630.
    2. B. To bring forward, maintain: non modo natum mundum introduxit, sed etiam paene manu factum, Cic. N. D. 1, 8, 20: introducebat, summum bonum esse, frui, id. Ac. 2, 42, 131: deliberationem, id. Off. 3, 3, 10: narrationem, Quint. 4, 2, 19 al.
    3. C. To institute, originate: ex hujus modi principio consuetudo aestimationis introducta est, Cic. Verr. 2, 3, 82, § 189: hac introducta consuetudine, id. Fam. 16, 21, 3: ejusmodi deliberationem, id. Off. 3, 3, 12: consuetudinem, Val. Max. 2, 6, 5: novum in republica exemplum, to set an example, Caes. B. C. 1, 7, 2: exemplum a patricio homine introductum, Liv. 4, 16, 4: leges perniciosissimas reipublicae, Val. Max. 9, 5, 1: ritus novos, Lact. 1, 22, 19: novas superstitiones, Quint. 4, 4, 5.