Kataseio denotes making a hand gesture to quiet or gain the attention of a gathered audience.

The occurrences show a hand gesture made before speech, whether to quiet a group, call listeners to attention, or prepare to address a crowd.

1. Gesture with the hand before addressing people · dominant

   In Acts 12:17 the aorist active participle occurs as a man motions with his hand before describing his release, and the APB renders the action “Motioning to them with his hand to be silent.” In Acts 13:16 and Acts 19:33, the same participial form precedes an intended public address; in Acts 21:40, the aorist active indicative describes Paul making the hand gesture before silence came and he spoke.

   Acts 12:17Acts 13:16Acts 19:33Acts 21:40

In the Anselm Project Bible: The APB presents the action as “Motioning to them with his hand,” “having motioned with his hand,” or “signaled with his hand.” These renderings confirm the verse-level gesture without establishing separate lexical senses.