Lewis Short
(verb) : illĭgo (inl-), āvi, ātum, 1 (in tmesi:
* Inque ligatus,Verg. A. 10, 794), in-ligo, to bind on, tie on, to fasten, attach (class.).
* Lit.
* In gen.: emblemata ita scite in aureis poculis illigabat, ut, etc.,Cic. Verr. 2, 4, 24, § 54: litterae in jaculo illigatae,Caes. B. G. 5, 45, 4: in eo (corpore) influente atque effluente animi divini ambitus illigabant,Cic. Univ. 13: cum Archimedes lunae, solis, quinque errantium motus in sphaeram illigavit, attached or added to the celestial globe, id. Tusc. 1, 25, 63: in currus distentum illigat Metium,Liv. 1, 28, 10: juvencis illigata aratra,Hor. Epod. 1, 25: tauris juga,id. ib. 3, 11: dolia aedibus,Dig. 33, 7, 27: illigata tigna tenere,Caes. B. G. 4, 17, 7: manibus post tergum illigatis,Liv. 5, 27, 9: faciem laxis vesicis illigant,Plin. 33, 7, 40, § 122: fel cum elaterio umbilico,id. 28, 14, 58, § 203.
* Trop.
* In gen., to attach, connect, bind: (paeon) quam commodissime putatur in solutam orationem illigari,Cic. Or. 64, 215: orationis genus, in quo omnes verborum illigantur lepores, id. ib. 27, 76: sententiam verbis,id. de Or. 3, 44, 175: sermonibus ejusmodi personas tam graves illigare,id. Ac. 2, 2, 6: non iis condicionibus illigabitur pax, ut movere bellum possit,Liv. 33, 12, 13; 36, 11, 2.
* In partic. (acc. to I. B.), to bind, in a good or bad sense; to oblige, to hold bound; to fetter, encumber, entangle, impede: magnis et multis pignoribus M. Lepidum res publica illigatum tenet,Cic. Phil. 13, 4, 8: familiari amicitia illigati Philippo erant,Liv. 32, 22, 11: nos praeceptis illigaverunt,Quint. 5, 13, 60: ut sociali foedere se cum Romanis non illigarent,Liv. 45, 25, 9; 41, 24, 15: illigari bello,id. 32, 21, 11: angustis et concisis disputationibus illigati,Cic. de Or. 2, 14, 61: aliquem conscientiā,Tac. A. 15, 51: vix illigatum te triformi Pegasus expediet Chimaera,Hor. C. 1, 27, 23.
Charlton T. Lewis, Charles Short, A Latin Dictionary