Catilinarian

[ kat-l-uh-nair-ee-uh n ]

/ ˌkæt l əˈnɛər i ən /

pertaining to or resembling Catiline.

a person who participated in Catiline's conspiracy.

a person who resembles or imitates Catiline; conspirator.

Origin of Catilinarian

1815–25; < Latin Catilin(a) Catiline + -arian

Lucius Calpurnius Bestia, one of the Catilinarian conspirators, possibly a grandson of the above.
Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 6|Various
Perhaps some of the old nobles foresaw and prudently avoided the Catilinarian storm of 63 B.C.
Library of the World's Best Literature, Ancient and Modern, Vol. 9|Various
The same immovable courage was shown by Caesar at the time of the Catilinarian conspiracy.
Ancient Rome|Mary Agnes Hamilton
Little else is known of him except that he declared in favour of the death punishment for the Catilinarian conspirators.
Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1|Various

Finally, the three Catilinarian speeches illustrate the event which coloured the whole of Cicero's life.
The Letters of Cicero, Volume 1|Marcus Tullius Cicero