Lewis & Short

ŏpŭlentus, a, um (less freq. ŏpŭlens, entis, Sall. J. 69, 3; Nep. Chabr. 3, 3; App. M. 10, p. 248, 11; Aus. Idyll. 2, 7), adj. [ops, cf. Varr. L. L. 5, § 92 Müll.], rich, wealthy, opulent (syn.: dives, locuples; opp. inops, Cic. Lael. 13, 46; id. Off. 2, 20, 70; class.).

  1. I. Lit.: opulenti, terrestribus rebus copiosi, Fest. s. v opis, p. 187 Müll.
          1. (α) Absol.: magnae gentes opulentae, Enn. ap. Fest. p. 301 Müll.; so, oppidum, id. ap. Non. 470, 4 (Trag. v. 324 Vahl.); Caes. B. C. 3, 80: opulentissima civitas, Cic. N. D. 3, 33, 81: opulentae matronae, Enn. ap. Cic. Fam. 7, 6 (Trag. v. 294 Vahl.); for which: opulens matrona, App. M. 10, p. 248, 11.— .
          2. (β) With abl.: opulentus auro adulescens, rich in gold, Plaut. Ep. 2, 2, 117: pars Numidiae agro virisque opulentior, Sall. J. 16, 5; cf.: gens opulentissima viris armisque, Liv. 1, 30, 4: exercitus victor opulentusque praedā, id. 4, 34, 4: templum donis opulentum, Verg. A. 1, 447.
          3. (γ) With gen., rich in any thing: copia Ruris honorum opulenta, Hor. C. 1, 17, 16: provincia pecuniae opulenta, Tac. H. 2, 6 fin.
  2. II. Transf.
    1. A. Rich, fine, splendid: opulentum opsonium, Plaut. Bacch. 1, 1, 64: opulentissima dona, Suet. Aug. 30: oratio, Gell. 7, 3, 54: opulentissimus liber, id. 14, 6 fin.: opulenta requies, Vulg Isa. 32, 18.
    2. B. Of respectability or rank, respectable, powerful, noble: opulenti pariter atque ignobiles, Enn. ap. Gell. 11, 4, 3 (Trag. v. 230 Vahl.): reges, Sall. C. 53, 3: opulentior factio, Liv. 32, 32.
      Hence, adv.: ŏpŭlentē and ŏpŭlenter, richly, sumptuously, splendidly (rare; not in Cic. or Cæs.): neque illos arte colam, me opulenter, Sall. J. 85, 34: opulente ornata domus, App. Mag. p. 333, 11.
      Comp.: ludos opulentius instructiusque facere, Liv. 1, 35, 7: epulari, Inst, 3, 3, 5.