Lewis & Short

ăd-ămo, āvi, ātum, 1, v. a. [ad, intens.],

  1. I. to love truly, earnestly, deeply (in the whole class. per. mostly—in Cic. always— used only in the perf. and pluperf.; first in Col. 10, 199, and Quint. 2, 5, 22, in the pres.): nihil erat cujusquam, quod quidem ille adamāsset, quod non hoc anno suum fore putaret, Cic. Mil. 32, 87; cf. id. Verr. 2, 2, 34; 2, 4, 45: sententiam, id. Ac. 2, 3, 9: Antisthenes patientiam et duritiam in Socratico sermone maxime adamārat, id. de Or. 3, 17, 62; cf. ib. 19, 71: laudum gloriam, id. Fam. 2, 4 fin.; cf. id. Flacc. 11: quem (Platonem) Dion admiratus est atque adamavit, Nep. Dion, 2, 3: agros et cultus et copias Gallorum, Caes. B. G. 1, 31: Achilleos equos, Ov. Tr. 3, 4, 28: villas, Plin. Ep. 3, 7: si virtutem adamaveris, amare enim parum est (amare, as the merely instinctive love of goodness, in contrast with the acquired love of the philosophers, Doederl.), Sen. Ep. 71, 5.
  2. II. Of unlawful love, Ov. A. A. 2, 109; Suet. Vesp. 22: Plin. 8, 42, 64, § 155; id. 36, 5, 4, § 23; Petr. S. 110 al.