Abbreviation of アジテーション (agitation). Used in political or activist contexts for spreading ideas or stirring up support.
See also: アジテーション
He gave an agitational speech at the rally.
The activist gave an agitating speech in front of the station.
The leaflet was not just agitation; it showed a concrete plan of action.
The leader riled up the crowd at the rally.
Abbreviation of アジテーション, from English 'agitation'.