/si dish"euhn/ , n.
1. incitement of discontent or rebellion against a government.
2. any action, esp. in speech or writing, promoting such discontent or rebellion.
3. Archaic. rebellious disorder.
[ 1325-75; sedition- (s. of seditio ), equiv. to sed- SE- + -ition- a going ( it ( us ), ptp. of ire to go + -ion- -ION); r. ME sedicioun ]
Syn. 1. insurrection, mutiny. See treason .