Lewis Short
sŏdālĭtas (noun F) : sodalis.
* Lit., fellowship, companionship, brotherhood, friendship, intimacy; abstr. and concr. (class.; cf. societas): sodalitas familiaritasque,Cic. Verr. 2, 1, 37, § 94: summā nobilitate homo, cognatione, sodalitate, collegio,id. Brut. 45, 166: intima sodalitas,Tac. A. 15, 68.—Concr.: nunc ego de sodalitate solus sum orator datus,Plaut. Most. 5, 2, 5. —Plur.: aliquem a sodalitatibus abducere,Gell. 20, 4, 3.
* Transf.
* A society, association of any kind, esp. for religious purposes (syn. sodalicium): fera quaedam sodalitas et plane pastoricia germanorum Lupercorum,Cic. Cael. 11, 26: SODALITAS PVDICITIAE SERVANDAE,Inscr. Orell. 2401.
* A company assembled for feasting, a banqueting - club: sodalitates autem me quaestore constitutae sunt sacris Idaeis ... epulabar igitur cum sodalibus modice, etc.,Cic. Sen. 13, 45.
* In a bad sense, an unlawful secret society: eodem die senatus consultum factum est, ut sodalitates decuriatique discederent, etc.,Cic. Q. Fr. 2, 3, 5; id. Planc. 15, 37.
Charlton T. Lewis, Charles Short, A Latin Dictionary