Lewis Short
sŭesco | suētus, a | suē-tum, i (noun N) : (dissyl. suēvi, suētum; sync. forms, suesti, suerunt, suesse, etc.;
* V.in the foll., and cf. also the preced. art.), 3, v. inch. n. and a. [Sanscr. svadhā, will, might, custom; Gr. ἔθος, ἦθος].
* Neutr., to become used or accustomed; in the tempp. perff., to have accustomed one's self; hence, to be wont, used, or accustomed (rare).
* Tempp. press.: Drusus in Illyricum missus est, ut suesceret militiae,Tac. A. 2, 44; 2, 52; Aus. Ep. 16, 91.
* Act., to accustom, habituate, train (very rare in finite verb): ut lectos viros ... disciplinae et imperiis suesceret,Tac. A. 2, 52. —Esp., P. and P. a.: , , um.
* Accustomed, wont, used, habituated; with inf.: ex aliis sentire sueti,Lucr. 2, 903: mala secundis rebus oriri sueta, Sall. Fragm. ap. Aug. Civ. Dei, 2, 18: suetus abstinere,Liv. 5, 43: curru succedere sueti Quadrupedes,Verg. A. 3, 541: vexare suëtae,Hor. S. 1, 8, 17: comitialem propter morbum despui suetum,Plin. 10, 23, 34, § 69.—With dat.: his (armis) ego suetus,Verg. A. 5, 414: neque conjugiis suscipiendis neque alendis liberis sueti,Tac. A. 14, 27: suetae aquis volucres,Tac. H. 5, 6: sueti latrociniis,id. A. 2, 52: suetus civilibus armis,Luc. 1, 325.
* Transf., of things, customary, usual (mostly post-class.): contra Cheruscis sueta aput paludes proelia,Tac. A. 1, 64: sueto militum contubernio gaudere,id. H. 2, 80 fin.; vestigium,App. M. 6, p. 198, 21: cibaria,id. ib. 9, p. 232, 13.—Hence, subst.: , , n., a custom, usage: se ad sectae sueta conferunt,App. M. 4, p. 153, 22.
Charlton T. Lewis, Charles Short, A Latin Dictionary