- sedition (n.)
- late 14c., "rebellion," from Old French sedicion, from Latin seditionem (nominative seditio) "civil disorder, dissention," literally "a going apart, separation," from se- "apart" (see secret) + itio "a going," from past participle of ire "to go" (see ion). Meaning "conduct or language inciting to rebellion against a lawful government" is from 1838. An Old English word for it was folcslite.